Back up the registry manually. Select Start , type regedit.exe in the search box, and then press Enter.If you are prompted for an administrator password or for confirmation, type the password or provide confirmation.

When you start a focus session, a focus timer will appear on screen. To use additional focus tools in the Clock app, expand the focus timer to get the full view of the Clock app.

Choose from a variety of Surface devices and accessories to get help.

An eSIM lets you connect to the Internet over a cellular data connection. With an eSIM, you don't need to get a SIM card from your mobile operator, and you can quickly switch between mobile operators and data plans.

The Xbox app on PC relies on two Microsoft accounts: the Microsoft Store account, and the Xbox account (your PC gaming account). The Microsoft Store account provides access to owned games, subscription benefits, and other Xbox app purchases made by that account. The Xbox account is used for game streaming access, in-game purchases, achievements, and friends.

Windows Update Delivery Optimization helps you get Windows updates and Microsoft Store apps more quickly and reliably. You’re in control over whether you use Delivery Optimization with the settings described in this article.

After you create a homegroup, other PCs running Windows 7, Windows 8.1, Windows RT 8.1, or Windows 7 on your network can join it. Add your other PCs to the homegroup

Xbox Support 为 Xbox、Game Pass 和账单问题提供帮助。在 Xbox Support 社区中获取建议和客户服务。

In the File Download dialog box, click Run or Open, and then follow the steps in the Windows Firewall Troubleshooter.

Info for Windows Insiders. If you’re an Insider and the current preview build isn’t working for you, select Start > Settings > System > Recovery .Next to Go back , select Go back.This won’t remove your personal files, but it’ll remove recently installed apps and drivers, and change settings back to their defaults.