If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track. Run the System File Checker tool (SFC.exe)

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.

This article applies if you’ve recently made changes to your device hardware and are trying to upgrade to Windows 11. Hardware changes might affect your upgrade eligibility, though you’ll need to take a few steps to see your updated eligibility in Settings.

Learn more about product keys, Workplace Discount Program, and volume licenses. Some Office 2019, Office 2016, and Office 2013 products come with a product key. If yours did, before installing Microsoft 365 for the first time, sign in with an existing or new Microsoft account and enter your product key at office.com/setup.

Tip: If you're a small business owner looking for more information on how to get Microsoft 365 set up, visit Small business help & learning. Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.

Learn how to add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.

Your PC can run Windows 11 if it meets minimum (basic) system requirements. For information on basic system requirements and additional requirements for specific features, see Find Windows 11 specs, features, and computer requirements. Was this information helpful?

Once the Windows 11 upgrade has been tested and validated for your specific PC, Windows Update will indicate that it's ready for installation. To check if Windows 11 is ready for your device, go to Start > Settings > Update & Security > Windows Update and select Check for updates.

Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

What's new for Windows 11, version 23H2. Windows 11, versions 22H2 and 23H2 share a common core operating system and an identical set of system files. Because of this, the release notes for Windows 11, versions 22H2 and 23H2 will share an update history page.