Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

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.

Disk cleanup in Windows. Windows 11 Windows 10. To delete temporary files: In the search box on the taskbar, type disk cleanup, and select Disk Cleanup from the list of results. Select the drive you want to clean up, and then select OK. Under Files to delete, select the file types to get rid of.

Set up dual monitors on Windows 10. How to use multiple monitors in Windows 10. Show, hide, or resize desktop icons. How to set up and troubleshoot one or more external monitors.

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 you’ve received error code 0x87e10019, it means you’re trying to join a game session that requires the Xbox Series X|S version of the game, but you’ve got the Xbox One version installed. To fix this, get the Xbox Series X|S version of the game in the Microsoft Store.

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If you’ve received error code 0x87e10011, it means the game or app you’re trying to launch is only compatible with the Xbox Series X|S console, not Xbox One.

Defragment your Windows 10 PC. Windows 10. Optimizing your drives can help your PC run smoother and boot up faster. To optimize them: Select the search bar on the taskbar and enter defrag. Select Defragment and Optimize Drives. Select the disk drive you want to optimize. Select the Optimize button.

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