Select the Start button, then type control panel in the search box next to the Start button on the taskbar and select Control Panel (Desktop app) from the results. Search Control Panel for Recovery, and select Recovery > Open System Restore > Next . Choose the restore point related to the problematic app, driver, or update, and then select Next ...

Enter a formula that contains a built-in function. Select an empty cell. Type an equal sign = and then type a function. For example, =SUM for getting the total sales. Type an opening parenthesis (. Select the range of cells, and then type a closing parenthesis). Press Enter to get the result.

Use the DATEDIF function when you want to calculate the difference between two dates. First put a start date in a cell, and an end date in another. Then type a formula like one of the following. Warning: If the Start_date is greater than the End_date, the result will be #NUM!.

Убедитесь, что дисплей поддерживает Miracast и убедитесь, что он включен.Если ваш беспроводной дисплей не поддерживает Miracast, вам потребуется адаптер Miracast (иногда называемый аппаратным ключом), который подключается к ...

Windows 11 Windows 10. Windows 11 では、デバイスをスムーズかつ安全に実行できるように、最新の更新プログラムを入手するタイミングと方法を決定できます。. オプションを管理して利用可能な更新プログラムを表示するには、 Windows 更新プログラムを確認する を ...

PC または Mac に Microsoft 365 または Office 2019 をインストール、再インストール、またはライセンス認証する方法について説明します。 Microsoft 365 または Office を初めて設定する場合、およびバージョンや製品の入手方法によっては、最初に完了する必要がある手順があるか、この記事に記載されて ...

Windows Media Center 入门. Windows 7. Windows Media Center 包含在某些版本的 Windows 7 中。. 若发挥其全部功能，Media Center 可以将计算机转变为强大的家庭娱乐中心。. 你可以通过将计算机连接到 HDTV 并使用 Media Center 遥控器在沙发上控制所有操作，从而充分利用 Media Center 的 ...

Introduction. Consumer customers can purchase Microsoft Office 2021 for Windows and Mac and commercial customers can now purchase Microsoft Office LTSC for Windows and Mac. Office 2021 and Office LTSC 2021 are the next perpetual releases of Office. They include improvements over Microsoft Office 2019 and earlier versions of on-premises Office.

These suggestions are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn't. To check the total disk space left on your Windows 11 device, select File Explorer from the taskbar, and then select This PC on the left. The available space on your drive will appear under Devices and drives.

Observing Windows in safe mode enables you to narrow down the source of a problem, and can help you troubleshoot problems on your PC. There are two versions of safe mode: Safe Mode and Safe Mode with Networking. Safe Mode with Networking adds the network drivers and services you'll need to access the internet and other computers on your network.