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Antichi Regoli calcolatori 389 A. W. Faber Castell, legno e melanina Leu euro 20 foto 2 Antica Custodia pelle per regolo in melanina euro 10 Calcolatrice scientifica vintage Texas Instruments TI 31 completa di libretto e scatola imballo funzionante euro 40 foto 1 Calcolatrice Solatron LC 83 calcolatrice completa di custodia prezzo nell'annuncio euro 30 foto 4 Antico Libro: uso del regolo calcolatore per i capi Tecnici della industria laniera Magliola Giovanni 1922 Soc. An. Coop. Ed. Industria et Labor euro 35 foto 5 Antico Libro: Il regolo calcolatore logaritmico ed il modo di usarlo con 30 figure nel testo ed 9 tavole Antico brevetto Germanico No. 173660 Albert Nestler A. G. Lahr (Baden) fabbrica di regoli calcolatori 1930 euro 35 foto 6 Nastri n° 6 per calcolatrice vintage da tavolo Olivetti rotolo elettronico mm 60 mt 40 euro 30 foto 7 Toshiba euro 20 foto 3 Contatto solo telefonico

Antichi Regoli calcolatori 389 A. W. Faber Castell, legno e melanina Leu euro 20 Antica Custodia pelle per regolo in melanina euro 10 Calcolatrice scientifica vintage Texas Instruments TI 31 completa di libretto e scatola imballo funzionante euro 40 Calcolatrice Solatron LC 83 calcolatrice completa di custodia prezzo nell'annuncio euro 30 Antico Libro: uso del regolo calcolatore per i capi Tecnici della industria laniera Magliola Giovanni 1922 Soc. An. Coop. Ed. Industria et Labor euro 35 Antico Libro: Il regolo calcolatore logaritmico ed il modo di usarlo con 30 figure nel testo ed 9 tavole Antico brevetto Germanico No. 173660 Albert Nestler A. G. Lahr (Baden) fabbrica di regoli calcolatori 1930 euro 35 Nastri n° 6 per calcolatrice vintage da tavolo Olivetti rotolo elettronico mm 60 mt 40 euro 30 Toshiba euro 20

Here's how you can upgrade to Windows 10 Professional. Keeping pace with technology is possible: receive your original license right away via instant email delivery, along with all the instructions you need to upgrade to Windows 10 in a few quick and easy steps using the official Microsoft tool. * Keep pace with technology to maintain high standards. * IMPORTANT: If you wish to proceed with a normal installation, you must purchase this product: Windows 10 Professional. By upgrading to Windows 10 Professional, the upgrade to the new Windows 11 Professional operating system will be free of charge. You cannot upgrade from Windows 7, Windows 8 and Windows 8.1 to Windows 10 any longer. To install Windows 10, you need to perform a clean setup after you purchase a product key for Windows 10. Upgrade to Windows 10 Professional If you want to upgrade your Windows 10 Home operating system to Windows 10 Professional, you save on the cost of the license with Mr Key Shop. Windows 10 Professional allows for a more streamlined and dynamic work also thanks to all its new additional features. Upgrading to Windows 10 Professional will also allow you to install and use Office 2021 Professional Plus, elevating your computer to a more advanced level. Windows 10 Pro is compatible with both 32-bit and 64-bit versions. You can now move from Win 10 Home to Professional. We suggest you to make a full backup of the operating system and data with Windows 10 backup software before proceeding with the installation. In addition, we recommend that you install one of the best antivirus for Windows 10 to protect your own device. Please note that this type of update can only be performed on a genuine Microsoft operating system, if you are running a cracked version of a Windows operating system you will need to format your computer. Upgrade from Windows 10 Home to Windows 10 Professional: an upgrade to increase the functionality of your operating system Upgrading from Windows 10 Home to Windows 10 Professional is an excellent choice for those who want to make the most of their device's capabilities and gain more useful features and tools. Key benefits of upgrading to Windows 10 Professional include: Enhanced system management features: Windows 10 Professional offers powerful tools such as BitLocker, for data encryption, and Hyper-V, for creating and managing virtual machines. Enhanced control and security: With Group Policy Management and other settings control features, you can further customize and protect your operating system. Remote Access: With Windows 10 Professional, you can access your computer remotely, using the Remote Desktop feature, to work or manage your device wherever you are. Support for use in enterprise environments: Windows 10 Professional is designed to support the needs of businesses, offering advanced compatibility with servers and IT infrastructure. Domains and Directory Services: The ability to join your computer to a domain and manage user accounts and permissions through Active Directory makes Windows 10 Professional ideal for organized and secure work environments. Upgrading to Windows 10 Professional will allow you to take advantage of these advanced features, ensuring a more versatile operating system suited to your professional or personal needs. If you're looking for an upgrade that will improve your user experience and increase the capabilities of your computer, upgrading to Windows 10 Professional is an option you should seriously consider. Upgrade to Windows 10: numerous reasons and advantages for upgrading your operating system Upgrading to Windows 10 is a critical step in keeping your device up-to-date, secure, and performing. Some of the main reasons and benefits for upgrading to Windows 10 include: Enhanced security: Windows 10 offers enhanced protection against malware, viruses and other threats, thanks to tools such as Windows Defender and the Windows Hello authentication system. Improved performance: Optimization of the operating system ensures faster startup, longer battery life and more efficient use of hardware resources. Cortana voice assistant: The introduction of the Cortana voice assistant enables more intuitive and faster interaction with your device, making it easier to find information and execute commands. Modern user interface: The design of Windows 10 has been greatly improved, providing a more pleasant and customizable user experience with a new taskbar and revamped Start menu. Compatibility with the latest applications: Upgrading to Windows 10 will give you access to the latest versions of your favorite applications, ensuring that the user experience remains state-of-the-art. Ongoing support: Microsoft provides regular updates and technical support for Windows 10, ensuring that your operating system is always protected and up-to-date. In summary, opting for this update will allow you to take full advantage of your device's potential and ensure a superior user experience. Upgrade to Windows 10 Pro: what happens to the license if you format or change PC? The license to upgrade to Windows 10 Pro is permanent, eliminating the need for periodic paid subscriptions or renewals. Once you purchase Windows 10 Professional, it will be yours indefinitely, at no future additional cost, and you will have the privilege of owning an original Microsoft license to use on your computer or device, even after a format or switch to another device. You will be able to reuse it indefinitely, keeping in mind that it is only valid for one device at a time; therefore, it must be deactivated from your previous device before reusing it. What will I receive if I purchase the Upgrade to Windows 10 Professional 32/64-bit? By purchasing the upgrade to Windows 10 Professional, within a few minutes of purchase, you will receive an email containing your original Microsoft license and all the instructions you need to upgrade in just a few quick and easy steps. The product is delivered, thus eliminating shipping times and costs and avoiding the environmental impact of shipping physical goods. 1 Original Microsoft Activation key for upgrading Windows 10 Professional valid for use in 1 PC (Product Key) Download link for Windows 10 Professional 32/64-bit (ISO File) Quick and easy installation guide Free technical support Invoice Are you a reseller? If you're a reseller, don't miss the opportunity to join our MKreseller partner program. We designed a unique journey to help you grow your business and successfully serve your customers. Visit the official MKreseller program page now, or mail us at sales@mrkeyshop.com and we'll send you a tailor-made price list. Let's work together! Windows 10 Professional is compatible with Office 2021 Windows 10 Professional support Office 2021 installation and compatibility. Find out more about Office 2021. Compatible with: Office 2019 - Office 2016 - Office 2013 - Office 2010 Also available Microsoft Office for MAC - Microsoft 365 Find more Products in Mr Key Shop's Catalog Windows Operating Systems: Windows 11 - Windows 10 - Windows 8 - Windows 7 Antivirus: Kaspersky - ESET - McAfee - Avast - Bitdefender - Norton VPN: VPN for PC - VPN for Mac - VPN for Mobile - Avast VPN - HMA VPN Microsoft Server: Windows Server - Windows Server CAL - Windows Server RDS CAL - Microsoft SQL Server Backup and Recovery Software: AOMEI - EaseUS Upgrade Windows 10 Pro System requirements Platform Windows Supported Operating Systems Windows 10 Processor 1 GHz or faster processor or SoC RAM 1 Gb RAM (32-bit) or 2 Gb RAM (64-bit) Hard disk 16 Gb RAM (32-bit) or 20 Gb RAM (64-bit) Graphic card DirectX 9 or higher with WDDM 1.0 driver

Buying Windows 10 Home you will receive a 100% Original Microsoft license that can be activated directly on the official Microsoft website. Our secure payment methods give you a total guarantee and you will receive your software by e-mail after a few minutes. * Your original license at the best price *IMPORTANT: by purchasing a Windows 10 Home license, the upgrade to the new Windows 11 Operating System will be free. You cannot upgrade from Windows 7, Windows 8 and Windows 8.1 to Windows 10 any longer. To upgrade to Windows 10 Professional, visit the Upgrade to Windows 10 Pro page. Windows 10 Home: buy a product key at Mr Key Shop and save money Windows 10 Home represents the basic version of Microsoft's popular operating system, designed specifically for home users seeking an intuitive and functional user experience. It offers all the essential features needed to successfully manage daily tasks, including Web browsing, use of productivity programs, and access to multimedia and entertainment content. Windows 10 Home features the virtual assistant Cortana, which helps users organize their day and perform quick searches, and the notification center, which allows users to keep track of notifications from various apps in a single interface. Other features of Windows 10 Home include support for multiple accounts, which allows different users to access the system with customized settings and preferences, and a number of preinstalled apps, such as Microsoft Edge, Mail, Calendar, Photos, and Groove Music. Users can also access the Microsoft Store to download additional apps, games and content, thus customizing their experience to suit their needs. By purchasing a product key at Mr Key Shop, downloading Windows 10 Home will be very easy and you will receive everything you need for installation via email within seconds of purchase. In addition, activating Windows 10 Home will also allow you to install the latest and most up-to-date Office 2021 Professional Plus package. Before installing Windows 10 Home, we suggest you backup your system and data with Windows 10 backup software. You may also proceed to install one of the best antivirus for Windows 10 to protect your device. Windows 10 Home: all the security of Microsoft operating systems Windows 10 Home's security is designed to ensure a reliable and protected user experience for home users. Key security features of this version of the operating system include Windows Defender, a powerful built-in antivirus that protects your device from malware, viruses and other threats in real time. With regular definition updates, Windows Defender keeps your system safe from the latest known threats. The Windows Firewall, also included in Windows 10 Home, filters network traffic and prevents unauthorized intrusions, protecting your computer while browsing the Internet and using online applications. User Account Control (UAC) is another important security feature, which limits application permissions and prevents changes to the system without user consent, thus reducing the risk of cyber attacks. Windows 10 Home also supports Windows Hello, which allows secure and quick access to your device through facial recognition, fingerprints or a personal PIN, avoiding the use of easily hackable passwords. Finally, Windows 10 Home's automatic updates ensure that your operating system is always protected and up-to-date by regularly installing security patches and performance improvements. Windows 10 Home is also FIDO 2.0 certified. The FIDO (Fast IDentity Online) Alliance is an industrial consortium founded with the purpose of making online authentication safer and simpler at the same time. Windows 10 Home game performance boost Windows 10 Home has significantly improved game performance, providing a smoother, richer and more immersive gaming experience. One of the key aspects of this improvement is the introduction of Game Mode, a feature that, when activated, optimizes system resources to ensure a smooth and seamless gaming experience, minimizing slowdowns and jerks. In addition, Windows 10 Home offers full support for DirectX 12, the latest version of Microsoft's graphics API, which maximizes the capabilities of modern graphic cards, greatly improving the performance and visual quality of games. With DirectX 12, gamers can expect greater efficiency, better resource management and a higher level of graphical detail than previous versions. Another benefit of Windows 10 Home for gamers is the full integration with Xbox, which allows them to easily access their Xbox game library, participate in multiplayer sessions, earn achievements, and stream their games directly to the PC. In addition, the Game Bar feature makes it easy to record and share your most exciting gaming moments with its simple and intuitive interface. Windows 10 Home Download: it's quick and easy to get your new operating system with Mr Key Shop Downloading Windows 10 Home through Mr Key Shop is an extremely quick and easy process designed to ensure a smooth purchase and installation experience. Thanks to the service offered by Mr Key Shop, you can receive your Windows 10 Home product key in a matter of moments, directly to your inbox, along with detailed instructions for downloading and installing the operating system. Once you have purchased your license, you will simply follow the steps outlined to download the Windows 10 Home ISO image directly from Microsoft's official website, ensuring that you get an authentic, up-to-date copy of the operating system. The download and installation process is designed to be as simple as possible, allowing you to have your new operating system up and running in no time. In addition, Mr Key Shop offers a dedicated customer service department ready to provide support and answer any questions you may have during the Windows 10 Home download and installation process. With their experience and professionalism, you will be able to complete the installation successfully and start enjoying the new features and improvements offered by Windows 10 Home. Choosing Mr Key Shop to download Windows 10 Home is a smart choice that guarantees a quick, easy and secure process, supported by high quality customer service, ready to assist you at every stage. Installing windows 10 home: 32-bit and 64-bit versions You can install Windows 10 Home in two different versions, 32 and 64 bits, to meet the needs of every user and device. Depending on the hardware characteristics of your computer, you can choose the version that best suits your needs. Windows 10 Home 32-bit is ideal for systems with a limited amount of RAM (generally less than 4 GB) and less powerful processors. This version is perfect for older or less powerful devices, while still providing a smooth and reliable user experience. On the other hand, the 64-bit version of Windows 10 Home is recommended for systems with more RAM (4 GB or more) and more powerful processors. The 64-bit version offers superior performance, allowing you to take full advantage of your device's hardware resources and run multiple applications and processes simultaneously without slowing down. Activate Windows 10 Home Key: discover the benefits Activating a Windows 10 Home Key will allow you to take full advantage of all the features offered by the operating system and ensure a user experience without limitations or problems. One of the main benefits of activating Windows 10 Home is access to all security and system updates released by Microsoft. This ensures that your device is always protected from the latest threats and vulnerabilities, as well as benefiting from improvements to the operating system's performance and functionality. In addition, by activating your copy of Windows 10 Home, you will eliminate annoying messages and notifications that require system activation, ensuring a smoother and more seamless user experience. Activation also allows you to fully customize your work environment, with the ability to change your desktop background, window colors, and other graphic settings. Another benefit of activating a Windows 10 Home product key is full compatibility with apps and services offered by Microsoft, such as the Microsoft Store, which allows you to download and install a wide range of apps, games, and media content securely and without restrictions. Windows 10 Home Key: what happens if you format or change PC? (Lifetime license) The Windows 10 Home key you purchase from Mr Key Shop is a Microsoft license that has a lifetime duration, so it is not a subscription service and does not require periodic paid renewals. By purchasing Windows 10 Professional, you will own the software permanently without any additional future expenses, and you will enjoy all the benefits of owning an original Microsoft license that you can use on your computer or device, even if you format your current device or switch to a new one. You can reuse it forever, bearing in mind that it is valid for one device only and must be therefore deactivated on any previous devices before reactivating on a new one. What will I receive if I purchase Windows 10 Home 32/64-bit? By purchasing Windows 10 Home you will receive the product after a few seconds directly via e-mail, thus eliminating shipping times and costs and avoiding the environmental impact of shipping physical goods. 1 Original Microsoft Windows 10 Home Activation Key valid for use in 1 PC (Product Key) Download link for Windows 10 Home 32/64-bit (ISO File) Quick and easy installation guide Free technical support Invoice Are you a reseller? If you're a reseller, grab the opportunity to become a member of our MKreseller partner program. We designed a unique journey to help you grow your business and successfully serve your customers. Visit the official MKreseller program page now, or mail us at sales@mrkeyshop.com and we'll send you a tailor-made price list. Let's work together! Windows 10 Home is compatible with Office 2021 Windows 10 Home support Office 2021 installation and compatibility. Find out more about Office 2021. Also compatible with: Office 2019 - Office 2016 - Office 2013 - Office 2010 Also available: Microsoft Office for Mac - Microsoft 365 Find more Products in Mr Key Shop's Catalog Windows Operating Systems: Windows 11 - Windows 10 - Windows 8 - Windows 7 Antivirus: Kaspersky - ESET - McAfee - Avast - Bitdefender - Norton VPN: VPN for PC - VPN for Mac - VPN for Mobile - Avast VPN - HMA VPN Microsoft Server: Windows Server - Windows Server CAL - Windows Server RDS CAL - Microsoft SQL Server Backup and Recovery Software: AOMEI - EaseUS Windows 10 Home System requirements Platform Windows Supported Operating Systems Windows 10 Processor 1 GHz or faster processor or SoC RAM 1 Gb RAM for 32-bit or 2 Gb RAM for 64-bit Hard disk 16 Gb for 32-bit or 20 Gb for 64-bit Graphic card DirectX 9 or higher with WDDM 1.0 driver

Purchase Windows 8.1 Professional and get a 100% original license directly activated by the user with the official Microsoft ISO file. Secure payments provide full assurance to the buyer. You will receive your original license via email immediately after purchase, a link to download the official ISO from the Microsoft website, and all the instructions for quick and easy activation. *Get your original license at the right price Windows 8.1 Professional for professionals and businesses Windows 8.1 Professional is available in both 32-bit and 64-bit versions and delivers high performance for both business and professional users. It is the upgraded version of the Windows 8 operating system and has been enhanced in many aspects with newly implemented features. It allows the user to work comfortably with many open applications without any drop in performance. The interface has likewise been reworked and simplified, it is now user-friendly and designed for touch-screen use. Security and reliability have also been improved. We always recommend protecting your devices by also installing a valid and effective Antivirus against cyber attacks. Which new features have been developed in Windows 8.1 Professional? Windows 8.1 Professional has been enhanced and revamped with professional programs that make it much easier for professionals and businesses to do their job. Compared with the previous version, improvements have been made resulting in a modern interface that is suitable for use in handheld devices as well as computers. - Design, technical and system improvements. - Modern user interface: Metro Style “Tile” layout for Touchscreen devices - Design, technical and system improvements. - Modern user interface: Metro Style “Tile” layout for Touchscreen devices - Internet Explorer 11: New Windows Web Browser - Optimized data transfer management: Copy tasks can be paused and resumed - New Task Manager: Processes are managed to improve performance - Windows Store: Users can now purchase new and exclusive applications - Windows Defender: Antispyware Which Microsoft Office is Windows 8.1 compatible with? Windows 8.1 Professional allows compatibility with many software, in fact, Microsoft Office Suite can be installed ranging from previous versions such as Office 2010 or Office 2013, up to the penultimate of Microsoft such as Office 2016, is also available Microsoft Office for MAC. *Important, Windows 8 is not compatible with Microsoft Office 2021 Suite and Microsoft Office 2019 Suite What happens if you format your PC or migrate to a new one? (lifetime license) This Microsoft license is a lifetime license. It is not a subscription service and therefore does not require periodic renewals for a fee. By purchasing Windows 8.1 Professional, you will own the software permanently without any additional future expenses, and you will enjoy all the benefits of owning an original Microsoft license that you can use on your computer or device, even if you format your current device or switch to a new one. You can reuse it forever, bearing in mind that it is valid for one device only and must be therefore deactivated on any previous devices before reactivating on a new device. Upgrade from Windows 8/8.1 Professional to Windows 10 and Windows 11 Please remember you cannot upgrade from Windows 8 to Windows 10 and Windows 11 any longer. Find more Products in Mr Key Shop's Catalog Windows Operating Systems: Windows 11 - Windows 10 - Windows 8 - Windows 7 Antivirus: Kaspersky - ESET - McAfee - Avast - Bitdefender - Norton VPN: VPN for PC - VPN for Mac - VPN for Mobile Microsoft Server: Windows Server - Windows Server CAL - Windows Server RDS CAL - Microsoft SQL Server Backup and Recovery Software: AOMEI - EaseUS What will I receive if i purchase Windows 8.1 Professional? The product is delivered within seconds directly via email, thus avoiding the environmental impact of shipping physical goods. - 1 Original Microsoft Activation Code for Windows 8.1 Professional valid for use in 1 PC (Product Key) - Download link for Windows 8.1 Professional 32/64-bit (ISO File) - Quick and easy installation guide - Free technical support - Invoice Are you a reseller? If you're a reseller, mail us at sales@mrkeyshop.com and we'll send you a tailor-made price list. Let's work together! System requirements Platform Windows Supported Operating Systems Windows 8 Processor 1 GHz or faster processor or SoC RAM 1 Gb RAM (32-bit) or 2 Gb RAM (64-bit) Hard disk 16 Gb RAM (32-bit) or 20 Gb RAM (64-bit) Graphic card DirectX 9 or higher with WDDM 1.0 driver