Optimizing your drives can help your PC run smoother and boot up faster. To optimize them: Select the search bar on the taskbar and enter defrag.

Turn your PC off completely. To shut down, select Start and then select Power > Shut down.. Sleep. Sleep uses very little power, your PC starts up faster, and you’re instantly back to where you left off.

如果我的设备上没有管理员权限，该怎么办？ 若要完全升级到新的 Microsoft Edge，必须使用管理员帐户登录到设备。 如果没有此级别的访问权限，请与 IT 管理员联系以请求访问权限，或者让在设备上拥有管理员帐户的人员完成升级。

了解如何重置更改 Microsoft 帐户密码。 获取有关忘记 Microsoft 帐户密码的帮助。 重要: 如果看不到用于在何处发送代码的选项，或者你不再有权访问显示的任何验证选项，请使用此登录帮助程序工具。 如果无法识别任何验证电子邮件或电话选项，请使用此登录帮助程序工具。

Tips: If you don't see the OneDrive icon, OneDrive might not be running. On a PC, go to Start, type OneDrive in the search box, and then click OneDrive in the search results. You might need to click the Show hidden icons arrow next to the notification area to see the OneDrive icons. On a Mac, use Spotlight to search for OneDrive and open it.

Instead of fix-it tools, Windows 10 uses troubleshooters to help you solve problems with your PC. To run a troubleshooter: Select Start > Settings > Update & Security > Troubleshoot > Additional troubleshooters, or select the Find troubleshooters shortcut at the end of this topic, and then select Additional troubleshooters.

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.

在选择 Microsoft 365 商业版计划时需要帮助？ 决定计划可能取决于具体的业务需求。 Microsoft 365 计划选择器旨在帮助你完成此操作。 选择器将根据你对问题（例如业务规模、工作领域、使用的设备以及你正在寻找的功能类型、IT 支持和安全性）的回答提出建议。

Note: Offers vary by country.Be sure to redeem your rewards points in the same region you signed up in. Do not use a VPN while trying to redeem points. When redeeming points, use a mobile or landline phone number for authentication and not a VoIP phone number.