Obtenga información sobre cómo instalar, reinstalar o activar Microsoft 365 u Office 2019 en un equipo PC o Mac.

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。

Get tips for how to set up and test microphones in Windows.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

On the Change your password page, enter your current password and then enter your new password. For additional security, select the optional checkbox which prompts you to update your password every 72 days.

Find out more about Xbox digital codes and gift cards, and how to troubleshoot issues redeeming content.

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Hotmail is nu Outlook.com. Meer informatie over hoe u zich aanmeldt voor toegang tot uw Outlook.com-, Hotmail-, Live- of MSN-e-mailaccount.

Get started with basic tasks in Excel such as opening a workbook, entering and formatting data, calculating data, and trying some quick analysis features..