Learn how to upgrade from Windows 10 Home to Windows 10 Pro or Windows 11 Home to Windows 11 Pro, including how to use a valid product key or the Microsoft Store.

A Windows product key is a 25-character code used to activate Windows. It looks like this: Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.

How to use the PC Health Check app. Windows 11. PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems.

Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Update your Xbox Wireless Controller. Keeping your controller updated with the latest software maximizes your controller's capabilities and compatibility. You can update your controller wirelessly, with a USB connection, or on a PC using the Xbox Accessories app.

Manually resize your partition by 250 MB. Open a Command Prompt window (cmd) as admin. To check the WinRE status, run reagentc /info. If the WinRE is installed, there should be a “Windows RE location” with a path to the WinRE directory. An example is, “Windows RE location: [file://%3f/GLOBALROOT/device/harddisk0/partition4/Recovery ...

When you start your computer successfully, the Windows Registry Checker tool (Scanreg.exe) creates a backup of system files and registry configuration information (including user account information, protocol bindings, software program settings, and user preferences) once daily.

BitLocker Drive Encryption. Windows 10 Windows 11. BitLocker Drive Encryption allows you to manually encrypt a specific drive or drives on a device running Windows Pro, Enterprise, or Education edition.