Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually. Restoring won’t affect your personal files, but it will remove apps, drivers, and updates installed after the restore point was made. To go back to a restore point:

不确定当前运行的是哪个版本，请参阅我使用的是哪个版本的 Outlook？ Windows 上的经典 Outlook 如果你的帐户在新的 Outlook for Windows 中受支持，你将在经典 Outlook 的右上角看到一个切换开关，用于 试用新的 Outlook。 选择此切换将下载新应用，并允许切换到预览版。

蓝牙附件的问题疑难解答 如果你可以打开蓝牙，但在配对或使用蓝牙附件时遇到问题，请尝试以下步骤来修复蓝牙附件会遇到的常见问题。 你还应查看蓝牙设备制造商的网站，尤其是在你的其他蓝牙设备能正常工作的情况下。

Press the Start button , and then enter store into the search bar.; Choose Microsoft Store from the results to open the app.; Select your account in the top-right corner of the screen, and then select Redeem code or gift cards.; Enter the 25-character code, select Next, and then follow the prompts.

On your smart TV, press the Home button on your remote control, and then select Search in the menu. Enter “Xbox” in the search box, and then select the Xbox app from the results. After you install the app, you can find the Xbox app again later in your TV’s menu under the Game tab.

Note: To upgrade to Windows 11, devices should meet the Windows 11 minimum system requirements.Some Windows 10 features aren't available in Windows 11. System requirements to experience some Windows 11 features and apps will exceed the Windows 11 minimum system requirements.Find Windows 11 specs, features, and computer requirements

在 Microsoft，我们遵循我们的 AI 原则、负责任的 AI 标准，以及数十年来在 AI、基础和隐私保护机器学习方面的研究。数据隐私和安全是负责任的 AI 的关键原则。 我们的目标是帮助客户负责任地使用 AI 产品，共享学习内容，并建立基于信任的合作关系。

Repair programs in Control Panel. Select the Advanced options link under the name of the app (some apps don't have this option). On the page that opens, select Repair if it's available.If it isn't available or doesn't fix the problem, select Reset.

Next to the password you want to change, select More actions , and then select Edit.

Select Save or Save as to download the program. Most antivirus programs like Windows Defender will scan the program for viruses during download.