Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

Follow these steps to temporarily turn off Defender antivirus protection in Windows Security. Keep in mind that if you do, your device may be vulnerable to threats.

After you've signed up for Microsoft 365, you and your employees can install your Office apps. From the admin center, select Office software.. Choose a language, and then select Install.. When prompted, select Run.. Select Yes to allow the app to make changes to your device.. The installation may take several minutes, depending on your Internet speed.

If either of the categories above apply to you, use the following procedures to update your browser: Update once. In the browser, go to Settings and more > Help and feedback > About Microsoft Edge (edge://settings/help).. If the About page shows Microsoft Edge is up to date., you don't need to do anything.

We recommend always having the latest version of Windows installed to make sure you get the best experience with the Phone Link .

Do you need some help installing Quick Assist? For the best experience, download and install the new version of the Quick Assist app from Microsoft Store. If you have problems installing Quick Assist, here are some steps to try to get it installed and working properly.

Learn how to reinstall Windows on your PC and how activation works after it's installed.

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

このページでは、IME 機能やキーボードのショートカットなど、Microsoft 日本語 IME の使い方について説明します。