Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

If your device is managed by an organization, check with your IT department to retrieve the recovery key. If you can’t find the BitLocker recovery key and are unable to undo any changes …

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

If you're trying to activate Windows 10, see Activate Windows for more info. If version 22H2 isn't offered automatically through Check for updates, you can get it manually through the Windows …

You can use the Settings app to view and manage passkeys saved for apps or websites. In the Settings app on your Windows device, select Accounts > Passkeys or use the following …

Learn how to reset your PIN if you aren't signed in to Windows and having trouble using your PIN.

However, if a product key is required, it can usually be found in the confirmation email you received after purchasing Windows, or in the box Windows came in. Microsoft doesn't keep a …

To open Start, press the Windows key on your keyboard, typically located between the Ctrl and Alt keys, or select it with your mouse. On a touch device, you can open the Start menu by …

Jan 12, 2007 · Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows.

If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.