If you have an home product and bought Microsoft 365 or Office at a retail store or online store, but don't have a Microsoft account, it's possible you haven't redeemed your product key yet (if you got one), or you missed the step for linking your recent purchase with an account. Do the following to link an account with Microsoft 365 or Office.

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.

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.

Desktop Themes. A theme is a combination of desktop background pictures, window colors, and sounds. To get a theme, expand one of the categories below, select a link for the theme, and then select Open. This saves the theme to your PC and puts it on your desktop.

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.

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

如何打开此应用. Xbox Accessories 应用预安装在 Xbox 主机上。. 按 Xbox 按钮 打开导航页，选择“我的游戏和应用”>“查看全部”>“应用”，然后选择 Xbox Accessories。. 要在 Windows 上打开 Xbox Accessories 应用，请按“开始”按钮 ，键入“Xbox Accessories”或从列表中进行 ...

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.

Remote Assistance Support from Microsoft allows a Microsoft support professional in another location to view your computer screen and work on your computer over a secured connection. Protect yourself from tech support scams. Before clicking 'I accept', review the: By selecting the ‘I accept’ option of Remote Assistance support from ...

Enable Windows 10 programs such as Windows Media Player to support activities that include the playback and recording of multimedia files that are encoded with standards-based codecs. Movies & TV: An app that's used to play digital video. Windows Voice Recorder: An app that's used to record sounds.