To reset your PC, go to Start > Settings > System > Recovery .Next to Reset this PC , select Reset PC.Then, select Keep my files, choose cloud or local, change your settings, and set Restore preinstalled apps? to No.. Open Recovery settings

Alternate command key. What it does. Help. Opens the Help system (if any) for the active window. Undo. Cancels the previous action. Redo. Cancels the previous Undo action.

Windows 8.1 Windows 8.1 Enterprise Windows 8.1 Pro Windows 8 Windows 8 Enterprise Windows 8 Pro Windows RT Windows 7 Enterprise Windows 7 Home Basic Windows 7 Home Premium Windows 7 Professional Windows 7 Starter Windows 7 Ultimate Windows Server 2008 R2 Datacenter Windows Server 2008 R2 Enterprise Windows Server 2008 R2 for Itanium-Based Systems Windows Server 2008 R2 Standard Windows Vista ...

An upgrade moves your PC from a previous version of Windows—such as Windows 7 or Windows 8.1—to Windows 10. An upgrade can take place on your existing device, though Microsoft recommends using Windows 10 on a new PC to take advantage of the latest features and security improvements.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Method. Used for. Authenticator app. Two-factor verification and password reset authentication. Text messages. Two-factor verification and password reset authentication.

When you need to protect the privacy of an email message, encrypt it. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

In the search box on the taskbar, type device manager, then select Device Manager from the menu.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.