AT&T can help you unlock an AT&T locked Surface Duo. You can submit a SIM unlock code request to AT&T by visiting att.com/deviceunlock . You'll need to provide the device IMEI (tap Settings > About , and look under IMEI ) and other requested information.

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

How to get updates. Surface updates are released in stages—not every Surface will receive updates at the same time, but they'll be delivered to all devices. If you haven’t received updates, see Update Surface Duo. Notes: Software updates can't be uninstalled or reverted to an earlier version.

Get free Windows themes from Microsoft to personalize background, colors and sounds for your PC.

Switching out of S mode is one-way. If you make the switch, you won't be able to go back to Windows 10 or Windows 11 in S mode. There's no charge to switch out of S mode. To switch out of S mode, click here to open the Microsoft Store to the Switch out of S mode (or similar) page.

You may need to contact your internet service provider (ISP) to resolve this issue. For example, you may need to ask your ISP to replace a defective modem, verify the settings on your modem, or check your connection speed. In addition, not all ISPs use the same network layout, protocols, and processes.

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.

You can view and clear your Microsoft Edge browsing history stored on a single device, across all synced devices, and in the cloud. You may choose to clear your browsing history at any time.

Start by running the automated audio troubleshooter in the Get Help app. Get Help automatically runs diagnostics and takes the correct steps to fix most audio issues. Open Get Help. If the Get Help app is unable to resolve your sound or audio issue, try the possible solutions listed: Windows 11 Windows 10. 1.

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.