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

Cast to a display from a Windows PC. 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.

Select your version of Microsoft 365 below to learn how to activate Microsoft 365. Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a new Windows device.

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

Find your files in Windows 10 using one of these methods. Search from the taskbar: Type the name of a document (or a keyword from it) into the search box on the taskbar. You'll see results for documents across your PC and OneDrive under Best match.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

Here’s how Xbox Game Pass subscribers can extend their Game Pass subscription benefits to friends and family. At home: Make your primary Xbox (if you have more than one) your home Xbox, which gives anyone who signs in to the console with their profile the ability to use your Game Pass subscription.

You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.

Learn how to add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.

Buy stuff from Microsoft Store online (from your mobile device, on Xbox One, in the Microsoft Store app on your Windows 10/11 or Windows 8.1 device, or via the web). For more info, see Shop and earn Microsoft Rewards points. Explore the earn page and the points breakdown page.