If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription. Tip: Get tech expertise with Business Assist.

Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

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.

Error 0x8007045D or 8007045D occurs when you download your profile or an update or launch a game or app on your Xbox. Learn what to do if you see error code 0x8007045D or 8007045D when you try to download your Xbox profile or an update to your Xbox 360 console. Learn more.

Find operating system info in Windows 11. To find out which version of Windows your device is running, press the Windows logo key + R, type winver in the Open box, and then select OK. Here’s how to learn more: Select Start > Settings > System > About . Open About settings.

Check the Xbox services, games, and apps for any service outages.

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.

While typing, use a light touch and keep your wrists straight. When you're not typing, relax your arms and hands. Take short breaks from computer use every 15 to 20 minutes. Learn how to use your computer keyboard and take advantage of convenient keyboard shortcuts.

If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

Ineligible enforcements include those with shorter duration periods, content takedowns with no accompanying service suspension, and suspensions that are no longer active. Sign in to your account to view your enforcements. Find out how to submit a case review and learn more about your Xbox enforcements.