If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

忘れた場合や紛失した場合に Windows パスワードを変更またはリセットする方法について説明します。

Learn how to use keyboard shortcuts in Word to add accent marks, special characters, symbols, and more.

Find out how to install the latest driver for your printer. If you recently upgraded Windows, your printer driver might need to be reinstalled.

Summary. This update provides support for media features in Windows 10/11 N. These include media-related technologies (Windows Media Player) and certain pre-installed media apps, such as Movies & TV, Voice Recorder, and Skype.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

了解如何使用 PIN、面部识别或指纹通过 Windows Hello 登录电脑。

了解如何在 Microsoft Edge 中查看和删除浏览历史记录以及其他历史记录。

Summary. Windows 11, versions 22H2 and 23H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 11, version 23H2 are included in the latest monthly quality update for Windows 11, version 22H2 but are in an inactive and dormant state.