通过使用一组有限的文件和驱动程序，安全模式可使 Windows 在基本状态下启动。 如果在安全模式下没有出现问题，你就会知道默认设置和基本设备驱动程序不是导致此问题的原因。

某些Windows 11电脑可以根据内置屏幕上显示的内容自动调整屏幕亮度和对比度。 例如，如果你正在观看一个具有深色场景的视频，然后是一个更亮的场景 (例如显示晴朗的晴天) ，则亮度和对比度可能会改变。

As a Microsoft 365 Family subscriber, you and up to five other people get 50 GB of free mailbox storage for your Outlook.com emails, contacts and calendar items.

On the Choose an account screen, click the Microsoft account button.; On the Add your Microsoft account screen, enter the email address and password associated with your Microsoft account.; On the Make it yours screen, you'll have the option to make this Microsoft account your primary account. (This makes sign-in, settings, and syncing happen automatically for all other Microsoft services.)

Under New photos and videos will save to, select the current save location.Then, if other options are available in the drop-down menu, select another location, select Apply, change it back to the original location or to This PC (C:), and then select Apply again.

Make and receive calls using Skype for Business. Set call forwarding options. Edit phone number. Start a Skype for Business conference call. Make and receive a Skype for Business video call

Are you looking for Contacts in the Mail app for Windows 10? The Mail app uses the People app for Windows 10 to store contact information. When you open a new message in Mail for Windows 10, start typing a contact's name or email address and Mail for Windows 10 will search the People app and display a list of suggestions for you to choose from.

如果您目前正在執行 Windows 10，[電腦健康情況檢查] 會針對您的裝置提供完整的資格檢查，以確保它符合 Windows 11 的最低系統需求。 您將取得裝置符合或不符合資格的原因，以及如果裝置不符合需求時可以執行的相關操作資訊。

如果无法更改密码. 如果无法以这种方式更改密码，请参阅重置 Microsoft 帐户密码。. 需要更多帮助吗？ 请联系支持人员. 有关技术支持，请转到联系Microsoft 支持，输入问题并选择“获取帮助”。 如果仍然需要帮助，请选择“联系支持人员”以转至最佳支持选项。

Microsoft Authenticator backs up your account credentials and related app settings, such as the order of your accounts, to the cloud. You can then use the app to recover your information on a new device, potentially avoiding getting locked out or having to recreate accounts.