查找 Windows 7 或 Windows 8.1 的产品密钥. 卸载或重新安装 Windows 7 或 Windows 8.1 时，通常需要产品密钥。. 通常，如果购买的是实物 Windows 拷贝，产品密钥应该在标签上或者在 Windows 随附包装盒中的卡上。. 如果 Windows 已预先安装在计算机上，产品密钥应显示在设备 ...

步骤 2. 安装 Office. 从虚拟驱动器选择 Microsoft 365 文件夹，然后双击“ Setup32.exe ”安装 32 位版本的 Microsoft 365，或双击“ Setup64.exe ”安装 64 位版本，然后开始脱机安装。. 如果不确定适合自己的版本，请参阅 选择 64 位或 32 位版本的 Office 。. 看到消息“ 你已 ...

Upgrade to Windows 11: FAQ. An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11. An update ensures you have the most recent features and security improvements for your current version of Windows.

已增强至 120 FPS 的游戏需要支持 120 Hz 的电视，并要求主机的显示设置设定为 120 Hz。. 如果电视或主机未配置为支持 120 Hz，则 FPS 增强将灰显。. 要确保设置能够使用 FPS 增强，请检查以下内容。. 按“Xbox”按钮 打开导航页，然后选择“档案和系统”>“设置 ...

Hold the disc by the edges without touching the top or bottom surface. Solution 2: Try playing the disc on another Xbox console Playing the disc on another console will help you figure out whether the problem is with the individual disc or the console's disc drive.

The good news is you can probably free up a lot of space on your PC running Windows by following the tips here. But if you keep getting messages about low drive space, you might want to consider other options, including adding additional removable storage. To get the most out of these tips, do them in order from top to bottom.

The display troubleshooter can appear if: The HDMI cable is faulty. Inspect the HDMI cable for damage. Also verify that the cable is plugged in and seated properly. There's a device between your console and your TV. Plug the HDMI cable directly into your TV. If this fixes the issue, you can configure your video settings later.

Note: If you receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). select Allow so the authenticator app can access your camera to take a picture of the QR code in the next step.If you don't allow the camera, you can still set up the authenticator app as described in Manually add an account to the app.

バッテリーを100%に充電する方法. Surface デバイスがスマート充電を一時停止できる場合は、次の方法があります。. [ スタート] を 選択し、 Surface アプリ を開きます。. Surface アプリを開く. ヒント: Surface に Surface アプリが見つからない場合は、Microsoft Store ...

sum_range Optional.The actual cells to add, if you want to add cells other than those specified in the range argument. If the sum_range argument is omitted, Excel adds the cells that are specified in the range argument (the same cells to which the criteria is applied).. Sum_range should be the same size and shape as range.If it isn't, performance may suffer, and the formula will sum a range of ...