Learn how to improve Windows PC performance if your device is running slowly.

Internet Explorer 11 支持已于 2022 年 6 月 15 日结束。 如果访问的任何网站需要Internet Explorer 11，则可以在Microsoft Edge中使用Internet Explorer模式打开它。

开始之前. 确保要安装 Windows 11 的设备满足最低系统要求。 如果设备当前正在运行 Windows 10，建议使用电脑健康状况检查应用验证最低系统要求。 我们不建议在不符合要求的设备上安装 Windows 11。

Learn how to run a disk cleanup in Windows including deleting temporary and system files to free up disk space.

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。

How to create or edit your Outlook signature for email messages. Include your signature, text, images, electronic business card, and logo.

Learn how to get ready for the Windows 11 upgrade, from making sure your device can run Windows 11 to backing up your files and installing Windows 11.

Learn how to view, manage, and delete cookies in Microsoft Edge.

Internet Explorer 11 support ended on June 15, 2022. If any site you visit needs Internet Explorer 11, you can open it with Internet Explorer mode in Microsoft Edge.

Share your calendar in an email. If you don't want to give someone permissions to share your calendar and see updates, you can email a static copy of your calendar for a specific date range.