Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.. If you made a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone.

Windows Hello 是登录到 Windows 设备的一种更个性化、更安全的方式。 在 Windows Hello 中，你可以使用面部识别、指纹或 PIN 登录，而不是使用密码。

The easiest way to get language packs for Windows 8.1 and Windows RT is to download and install them using the Language Control Panel. Download and install additional languages to view menus, dialog boxes, and other user interface items in your preferred language.

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。

但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False (AND)，或只有一个条件需要为 True 或 False (OR)，或者如果想要检查某个条件是否不 (NOT) 符合你的条件，这时该怎么做呢？这三个函数均可以单独使用，但它们更常见于与 IF 函数成对使用。

Some features aren't excluded directly from Windows N edition, but they are affected by the media technology exclusions. The following features won’t work properly if the Media Feature Pack isn’t installed on a PC running Windows 10/11 N. Note that some of these may not work properly after installing the Media Feature Pack: ...

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

注意 在某些情况下，你可能无法运行游戏服务修复工具，除非你在电脑上以本地管理员身份登录。 当 Windows OS 为 20H1 或更早版本时，会发生这种情况。 如果无法运行游戏服务修复工具，则需要更新 Windows OS 版本。

Notes: Reinstalling Windows 11 using installation media while choosing to ‘Keep nothing’ (a clean install) will automatically enable reserved storage if the partition you reinstall Windows to is 20GB or larger. Reserved storage sets aside disk space to be used by updates, apps, temporary files, and system caches, thus improving the day-to-day function of your PC by ensuring that critical ...

If you don't see the deleted messages you want to recover, they have probably been permanently removed from the Deleted Items folder or Junk Email folder. We don't recommend that you use either of these folders to store your messages. If you want to store your messages in folders other than your Inbox, see Working with message folders.