32-bit and 64-bit Windows: Frequently asked questions
How do I upgrade from the 32-bit to the 64-bit version of Windows? Upgrading from the 32-bit version to the 64-bit version of Windows requires that you reformat your hard disk, install the 64-bit version of Windows, and then reinstall everything else that you had on your device.
Windows Update Assistant - Microsoft Support
The Windows Update Assistant helps you manually download and install the latest Windows feature update on a compatible PC. Feature updates introduce new capabilities and help keep your device secure.
Ways to install Windows 11 - Microsoft Support
Learn how to install Windows 11, including the recommended option of using the Windows Update page in Settings.
Create installation media for Windows - Microsoft Support
Installation media, such as a USB flash drive, can be used to install a new copy of Windows, perform a clean installation of Windows, or reinstall Windows. To create installation media, go to the software download website, where step-by-step instructions can be found. On that website, you can select a version of Windows and create installation media on a USB flash. Alternatively, an ISO file ...
Choose between the 64-bit or 32-bit version of Office
Help to decide whether you should install the 32-bit Office version or the 64-bit Office version. Which version is right for you depends on how you plan to use Office. Find out about choosing between 32-bit Office and 64-bit Office.
Applies To:
Office 2024, Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Microsoft365.com, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Install Windows Updates - Microsoft Support
Select Start Settings Windows Update > select Check for Windows updates. If any updates are available for you, select Download & install. Your device will download and install the updates. If prompted to do so, restart your device to apply the updates.
KB5003791: Update to Windows 10, version 21H2 by using an enablement ...
The enablement package is a great option for installing a scoped feature update like Windows 10, version 21H2 as it enables an update from version 2004, or 20H2, or 21H1 to version 21H2 with a single restart, reducing update downtime. This enables devices to take advantage of new features now.
Determine whether your computer is running a 32-bit version or 64-bit ...
Use the 32-bit installer if you’re using a 32-bit version of Windows and the 64-bit installer with a 64-bit version of Windows. To determine which version of Windows you’re using, follow the steps in Method 1 or 2.
Applies To:
Skype for Business Online operated by 21Vianet
KB5015684: Featured update to Windows 10, version 22H2 by using an ...
The enablement package is a great option for installing a scoped feature update like Windows 10, version 22H2 as it enables an update from version 2004, 20H2, 21H1, or 21H2 to version 22H2 with a single restart, reducing update downtime. This enables devices to take advantage of new features now.
Windows 10 system requirements - Microsoft Support
After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend moving to Windows 11.