How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!

Find out how to submit a case review and learn more about your Xbox enforcements.

Alarms and timers work even if the app is closed or your device is locked. If you see a warning that notifications only show if the device is awake, make sure your device doesn’t go to sleep (Go to Start > Settings > System > Power & sleep to adjust your device’s sleep settings).

解决激活错误. 如果 Microsoft 365 无法激活，其最后会变为未授权，且 Microsoft 365 的所有编辑功能都会被禁用。 Microsoft 可能由于多种原因变为未授权。

To help protect your privacy, the new Microsoft Edge sets tracking prevention to balanced by default. For increased protection, you can switch your tracking prevention to strict or block all third-party cookies.

Receive photos, videos, or other kinds of files that you or a friend shares from another device, such as a phone, laptop, or tablet. On your PC, select Start > Settings > Devices > Bluetooth & other devices. Learn how to pair.

按 Windows 徽标键 + G 打开 Game Bar。 选择 设置 > 账户 。 登录到 Xbox 网络（大多数已链接的帐户都需要它），从列表中选择社交网络，按“ 链接 ”，然后按照提示进行操作。

Learn how to download, install, and configure Language Accessory Packs for Microsoft 365 for additional display, help, and proofing tools.

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Add sites to your favorites in the new Microsoft Edge :. Add the current page from the address bar. Open Microsoft Edge and go to the site you want to add to your favorites.