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Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.
适用于: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 家庭版, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, 由世纪互联运营的 Office 365, 由世纪互联运营的 Office 365 - 管理员版, Microsoft 365 Mac 版, Office 365 Germany – 企业版, Office 365 Germany - 企业管理员版
Find your Office product key - Microsoft Support
Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead.
Windows - Microsoft
Windows 정품 인증 방법 Windows 11을 구입한 방법에 따라 정품 인증을 위해 디지털 라이선스 또는 25자 제품 키가 필요합니다. 이 중 하나가 없으면 장치를 정품 인증할 수 없습니다.
Open Device Manager - Microsoft Support
Open Device Manager. In the search box on the taskbar, type device manager, then select Device Manager from the menu.
Ways to install Windows 11 - Microsoft Support
Find out how to install Windows 11 on your device, whether you need to use Windows Update, Cloud download, or Local reinstall. Get tips and troubleshooting help from Microsoft Support.
Pair a Bluetooth device in Windows - Microsoft Support
Learn how to connect a Bluetooth device in Windows and adjust Bluetooth pairing settings.
Reactivating Windows after a hardware change - Microsoft Support
Learn how to prepare your Windows device for a hardware change and find help reactivating Windows after a hardware change is complete.
Edit your passwords in Microsoft Edge - Microsoft Support
Go to Settings and more > Settings > Profiles > Passwords . Next to the password you want to change, select More actions , and then select Edit. When prompted, authenticate yourself to the operating system to get access to the password information. After you successfully authenticate yourself, in the Edit password dialog, update your password, and then select Done.
Windows - Microsoft
정품 인증을 하면 가지고 있는 Windows 복사본이 정품이며 Microsoft 소프트웨어 사용 조건에서 허용하는 것보다 더 많은 디바이스에서 사용되지 않았음을 확인할 수 있습니다. Windows를 정품 인증할 수 없다는 메시지가 표시되는 경우 몇 가지 이유가 있을 수 있습니다. 'Windows를 정품 인증할 수 없음' 오류 ...
POP, IMAP, and SMTP settings for Outlook.com
POP, IMAP, and SMTP settings for Outlook.com If you're trying to add your Outlook.com account to Outlook or another mail app, you might need the POP, IMAP, or SMTP settings. You can find them below or by viewing them in your Outlook.com settings.
适用于: Microsoft 365 专属 Outlook, Microsoft 365 Mac 版专属 Outlook, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, 适用于 Office 365 的 Outlook Web App, 适用于 Office 365 小型企业版的 Outlook Web App, Outlook 网页版, Outlook.com, 由世纪互联运营的 Outlook Web App for Office 365, Outlook Web App 简易版, 新的 Outlook for Windows, Outlook for Android, Windows 10 版 Outlook 邮件, 适用于 Exchange Server 2016 的 Outlook 网页版, 适用于 Exchange Server 2019 的 Outlook 网页版, Outlook Web App