There are several ways to calculate the difference between two times.

Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Download Office language interface packs (LIP) By pressing submit, your feedback will be used to improve Microsoft products and services.

Learn how to use keyboard shortcuts in Word to navigate, select, format, and edit your documents faster and easier.

If you change your country or region for Microsoft Store, stuff you got in one region might not work in another.

Important: Reactions are only available to individuals using a work or school account in Outlook with a qualifying Microsoft 365 subscription.

The new Microsoft Edge is based on Chromium and was released on January 15, 2020. It is compatible with all supported versions of Windows, and macOS. With speed, performance, best in class compatibility for websites and extensions, and built-in privacy and security features, it's the only browser you'll ever need.

Windows Update can help fix problems with your PC. Fix problems using Windows Update is a recovery tool that can help resolve issues related to updates. Using this tool will reinstall the current version of Windows on your device.

PC 正常性チェック アプリは、お使いの Windows デバイスの正常性に関する最新の情報を提供して、デバイスのパフォーマンス向上のための対処や、パフォーマンス問題のトラブルシューティングに役立ちます。