After launching an Office app, you might receive a message that says Get genuine Office.. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.

Learn how to restore files that have been permanently deleted and are no longer in the recycle bin on Windows 10.

Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.

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.

The new Microsoft Edge helps you browse, search, shop online, and more. Like all modern browsers, Microsoft Edge lets you collect and store specific data on your device, like cookies, and lets you send information to us, like browsing history, to make the experience as rich, fast, and personal as possible.

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

Learn how Smart charging in Windows can help your battery last longer over time.

Learn how to add an app to run automatically at startup. Select the Start button and scroll to find the app you want to run at startup.

マルウェアを削除しようとしている場合は、「Windows セキュリティで保護された状態を維持する」を参照して、スキャンを実行する方法を確認してください。 別のウイルス対策ソフトウェア プログラムを使用している場合は、そのプログラムのウイルス対策オプションを確認してください。

Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.