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.

If you have a digital gift card that's good for a game or app, see Redeem a gift card or code to your Microsoft account. To buy an app or game, visit Microsoft Store online, on Windows and Xbox. If you bought your Microsoft software from a third-party website, you'll need to get download and product key info from them.

I need to talk to a customer support agent. Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

Sign in to your Microsoft account, and see Shop & Earn History. Note that Microsoft Rewards points will expire if you don't earn or redeem anything in 18 months. Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.

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

If you're having trouble installing updates, see Troubleshoot problems updating Windows. For answers to frequently asked questions, see Windows Update: FAQ. To get the latest major update of Windows 11, see Get the latest Windows update. Check for Windows updates.

A Subscribed badge means a Microsoft 365 subscription such as Microsoft 365 Family or Personal is already associated with your account and you can access many of your subscription benefits including installing the desktop apps.

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.

Open Rewards dashboard. Find out if Microsoft Rewards is available in your region or language. Note: Buying items from the Microsoft Store on Xbox or searching on Bing.com may not earn points in all countries/regions.