Using product keys with Office - Microsoft Support
Answers to questions on finding, getting, and applying product keys.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Microsoft 365 for home, InfoPath 2013
Getting the most out of your PC backup - Microsoft Support
Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.
Solve PC problems remotely with Remote Assistance and Easy Connect
Remote Assistance and Easy Connect let someone you trust take over your Windows 10 PC and fix a problem from wherever they are.
Find and install your Microsoft downloads from Microsoft Store
Learn how to find and install digital downloads from Microsoft Store. See instructions to download and install software directly purchased from Microsoft.
Applies To:
Microsoft account dashboard
Manage background activity for apps in Windows
Learn how to manage background activity for apps to help save battery power in Windows.
KB4023057: Update Health Tools—Windows Update Service components
Summary. Microsoft Update Health Tools is offered to devices through Windows Update as update KB4023057. This update is applicable for both Windows consumer and commercial devices, with a slightly different purpose and functionality.
Create a document in Word - Microsoft Support
Learn how to format text, add graphics, and more in Word documents. Create professional-looking documents with ease using our step-by-step guide. Try it now!
Applies To:
Word for Microsoft 365, Word 2021, Word 2019, Word 2016
Check or change language settings - Microsoft Support
Set the region, device language, and spoken language for your products and services.
Applies To:
Outlook.com, Microsoft Edge, OneDrive (home or personal)
Manage cookies in Microsoft Edge: View, allow, block, delete and use ...
Learn how to view, manage, and delete cookies in Microsoft Edge.
Applies To:
Microsoft Edge
PC 正常性チェック アプリの使用方法 - Microsoft サポート
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。