升级 Office 的选项会有所不同，具体取决于你当前拥有的 Office 产品的类型。 如果你的当前版本是一次性购买的非订阅 版 Office，例如 Office 家庭 & 企业版，请参阅下文。 如果已有 Microsoft 365 订阅，请选择下面的 “Microsoft 365 ”选项卡。

若要升级到 Windows 11，需要硬盘上有足够的空间进行安装。 若要查看计算机上可用的硬盘空间，请选择任务栏上的"文件资源管理器 (在Windows 7) 中称为Windows资源管理器，或按Windows徽标键 + E。 然后，选择“计算机”或“这台电脑”，并在“硬盘驱动器”或“设备和驱动器”下进行查看。

Try these things to troubleshoot network connection issues in Windows 11. Make sure Wi-Fi is on. Select Start > Settings > Network & internet, then turn on Wi-Fi.Next, select More options (>) next to Wi-Fi, then select Show available networks.If a network you expect to see appears in the list, select it, then select Connect. Open Wi-Fi settings

Note: If you are in tablet mode, you may not be able to see your desktop icons properly.You can find the program by searching for the program name in File Explorer. To turn off tablet mode, select action center on the taskbar (next to date and time), and then select Tablet mode to turn it on or off.

See and manage your OneDrive files. You're all set. Your OneDrive files will appear in File Explorer in the OneDrive folder. If you use more than one account, your personal files appear under OneDrive – Personal and your work or school files appear under OneDrive - CompanyName.. You now have a new white or blue cloud icon (or both) in your notification area and your files are synced to your ...

Learn how to download, install, and use the PC Health Check app to check your device's compatibility with Windows 11 and get tips to improve its performance.

あるデバイスから別のデバイスへ、画面をミラーしたりコンテンツを表示する方法について説明します。 注: ワイヤレス ディスプレイ アプリは、Windows 11 バージョン 22H2 以降を実行しているデバイスで使用できます。以前のバージョンの Windows を実行している場合は、タスク バーの検索 ...

After you restart your computer, the uninstall tool automatically re-opens to complete the final step of the uninstall process. Follow the remaining prompts.

If you want to give access to desktop apps, make sure that Let desktop apps access your microphone is turned on.You can't turn off microphone access for individual apps. Others can't hear me. Try the following solutions:

The DATE function returns the sequential serial number that represents a particular date.. Syntax: DATE(year,month,day) The DATE function syntax has the following arguments: Year Required.The value of the year argument can include one to four digits. Excel interprets the year argument according to the date system your computer is using. By default, Microsoft Excel for Windows uses the 1900 ...