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Free up drive space in Windows - Microsoft Support
Learn how you can free up drive space in Windows. Keep your PC running smoothly and up to date by increasing the disk space.
Save or forget passwords in Microsoft Edge
Microsoft Edge makes it easy to save your passwords as you browse the web. When you enter a new password in the Edge browser on your desktop or mobile device, Microsoft Edge will ask if you want your username and password remembered. The next time you visit the site, the browser will finish filling in your account info. If you’re signed into Edge with your Microsoft account, these passwords ...
Which version of Windows operating system am I running?
Learn how to find which version of Windows operating system your PC is running and device specifications.
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
Windows Xbox | Xbox Support
업데이트 및 다운로드에서 Xbox 앱 또는 게임 서비스 앱에 사용할 수 있는 업데이트가 있는지 확인합니다. 업데이트를 사용할 수 있는 경우 업데이트를 선택합니다. Windows 업데이트. 작업 표시줄에서 시작 버튼 을 누르고 설정을 입력한 후 설정을 선택합니다 ...
Download Microsoft Authenticator - Microsoft Support
To install Authenticator on your Android device. Scan the QR code. or download and install Authenticator from the Google Play store.
Finding your BitLocker recovery key in Windows
Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.
Switching out of S mode in Windows - Microsoft Support
Learn how to switch out of S mode to install apps from outside of the Microsoft Store or to upgrade to Windows 11.
Upgrade to Windows 10 Pro - Microsoft Support
Learn how to upgrade Windows 10 Home to Windows 10 Pro to access more advanced security and networking features.
Manage your Microsoft 365 subscription or Office product
Follow the prompts to install or reinstall the desktop apps. For Microsoft 365 Family or Personal subscriptions: Select Install premium Microsoft 365 apps and follow the prompts to install or reinstall the desktop apps. On the Microsoft 365 subscription tab, select Manage. From here you can: Renew your subscription with a prepaid code or card.
适用于: Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Microsoft 365 专属 Publisher, Visio 计划 2, Microsoft 365 Mac 版专属 Excel, Microsoft 365 Mac 版专属 Word, Microsoft 365 Mac 版专属 Outlook, Microsoft 365 Mac 版专属 PowerPoint, Microsoft 365 Mac 版专属 OneNote, Word 网页版, OneNote 网页版, PowerPoint 网页版, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project 专业版 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project 专业版 2016, Project Standard 2016, Publisher 2016, Visio 专业版 2016, Visio 标准版 2016, Office 2016, Microsoft 365 管理员, Outlook 网页版, Word Web App, Microsoft 帐户仪表板, 新的 Outlook for Windows