注意: 使用安装介质重新安装Windows 11，同时选择“不保留任何内容” (干净安装) ，如果重新安装 Windows 的分区为 20GB 或更大，则将自动启用保留存储。保留存储空间将留出磁盘空间以供更新、应用、临时文件和系统缓存使用，因此可确保关键的操作系统功能始终可以访问磁盘空间，从而改进了电脑 ...

Learn how to access the Control Panel in Windows for managing your system settings and programs.

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

取得適用於企業和消費者的 Microsoft Copilot 存取方式和位置的最新資訊。 如果您有商務訂閱且已準備好訂閱 適用於 Microsoft 365 的 Copilot，請造訪 Copilot for Microsoft 365。 如果您已經是訂閱者，請 從這裡開始。 如果您有企業訂閱，請連絡Microsoft客戶代表以購買 適用於 Microsoft 365 的 Copilot。

Note: If you forgot your account info and had to reset your security info, you must wait 60 days before closing your account.

Important: Before trying any of the solutions below, make sure you back up your personal files. You can back up your Windows PC, or insert a USB drive and use File Explorer to drag and copy important files to the USB drive.If you’re signing into Windows with a Microsoft account, your system settings will be automatically restored after updating, once you’re connected to the internet.

If you don't have a desktop PC and the slider doesn't appear or work, try updating the display driver. Select Search on the taskbar, type Device Manager, and then select Device Manager from the list of results.In Device Manager, select Display adapters, then select the display adapter.Press and hold (or right-click) the display adapter name, then select Update driver and follow the instructions.

To pin Quick Assist to your taskbar so you can quickly get back to it, after Quick Assist is open, right-click (or press and hold) the icon on your taskbar > Pin to taskbar. If the old app icon still appears on your device, make sure you select the new app icon.

Types of info. What will be deleted. Where it's stored. Browsing history. The URLs of sites you've visited, and the dates and times of each visit. On your device (or, if sync is turned on, across your synced devices)