了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Microsoft アカウントにサインインするためのエイリアスを使用した Microsoft アカウントのメール アドレスまたは電話番号を変更する方法について説明します。

We're committed to delivering continuous innovation by releasing new features and enhancements into Windows 11 more frequently. Windows devices get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR). ...

Resetting Microsoft OneDrive can sometimes resolve sync issues. Follow the steps to reset your OneDrive.

使用している Office のバージョンを確認する方法について説明します。 Office アプリの製品名とバージョン番号を見つけます。

Windows 10 and 11 contain a large set of emojis. To insert one: Put your cursor where you want the emoji.

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

Learn how to insert ASCII or Unicode characters using character codes or the Character Map.

You can easily insert a check mark (also known as a "tick mark") in Word, Outlook, Excel, or PowerPoint. These marks are static symbols. If you're looking for an interactive check box that you can click to check or uncheck, see: Add a check box or option button (Excel) or Make a checklist in Word. In your file, place the cursor where you want to insert the symbol.