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 ...

Activate an Office purchase or offer that's included on a new Windows device. Activate Office from Microsoft Workplace Discount Program. Activate a brand new Office product key. Troubleshoot activation errors. Activate Microsoft 365 or a non-subscription version of Office.

When you add an email account to Outlook, a local copy of your information is stored on your computer. This feature allows you to access your previously downloaded or synchronized email messages, calendar information, contacts, and tasks without an internet connection.

Download a calendar template: Browse through the calendar templates, choose an Excel calendar template that is best for you.Click the Download button on the template page, open the template file in Excel, and then edit and save your calendar.

Here's how to change the size of text, images, and apps in Windows. To change your display in Windows, select Start > Settings > Accessibility > Text size.To make only the text on your screen larger, adjust the slider next to Text size.To make everything larger, including images and apps, select Display , and then choose an option from the drop-down menu next to Scale.

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.

Press this key. To do this. Command + Shift + B. Show or hide the favorites bar. Command + Shift + C . Open Developer tools. Command + D. Save your current tab as a favorite. Command + Shift + D. Save all open tabs as favorites in a new folder

Try it! Microsoft Edge Collections. Collections in Microsoft Edge help you keep track of your ideas on the web. Select Collections to start a new collection or add your current Microsoft Edge page to an existing collection.. To export a collection, select Sharing and more and then choose to send to Word, Excel, or OneNote.. Learn how to organize your ideas with Collections in Microsoft Edge

Things to try first. Try these things first to help you fix or narrow down the connection problem. Run Get Help to troubleshoot and fix common connection problems. Right click the network icon in the right side of the taskbar and select Diagnose network problems or open Get Help for Network & Internet

When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app.