Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

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 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.

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

From the Overview page, select Office apps and on that page, find the Microsoft 365 product you want to install and select Install. To install Microsoft 365 in a different language, or to install the 64-bit version, use the dropdown to find more options.

Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

Find Teams on the web at https://teams.microsoft.com. To use Teams, you need a Microsoft 365 account with a Business or Enterprise Microsoft 365 license plan.

Download the Microsoft Teams (free) app. Sign in, sign up, sign out and add a new account. Create an instant meeting. Schedule a meeting. Create a group chat. What is Communities in Teams? Create a community in Microsoft Teams (free) Share and join a community. How to use search in Microsoft Teams (free)

Add your accounts to Microsoft Authenticator. The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.