Sign in using Microsoft Authenticator - Microsoft Support
Sign in to a work/school account using a remote computer. Many apps allow you to authenticate by entering a code on another device such as a PC.
KB5003791: Update to Windows 10, version 21H2 by using an enablement ...
Summary. Windows 10, versions 2004, 20H2, 21H1, and 21H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 10, version 21H2 are included in the latest monthly quality update for Windows 10, version 2004, 20H2, and 21H1, but are in an inactive and dormant state.
Check the recent sign-in activity for your Microsoft account
If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.
Applies To: Microsoft account dashboard
Customize the taskbar notification area - Microsoft Support
The notification area is located at the right end of the taskbar. It contains icons you might find yourself selecting or pressing pretty often: battery, Wi-Fi, volume, Clock and Calendar, and action center.
Activate Office - Microsoft Support
Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.
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, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Microsoft 365 admin, Project for Office 365
修复 Windows 中的声音或音频问题 - Microsoft 支持
修复 Windows 中的声音或音频问题; 设置 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式 USB-C 耳机
Get help with your Microsoft account - Microsoft Support
Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.
Applies To: Microsoft account dashboard
Troubleshoot external monitor connections in Windows 10
Before considering troubleshooting options, make sure your device is up to date. Select Start > Settings > Update & Security > Windows Update , then select Check for updates.If you need help setting up your external monitors, see How to use multiple monitors in Windows 10.
Frequently asked questions about Microsoft 365 Basic
Microsoft 365 Basic is a subscription for one person. It provides access to 100 GB of cloud storage that can be used across Outlook and OneDrive. With Microsoft 365 Basic, you’ll also get ad-free email with Outlook and access to support experts for help with Microsoft 365 and Windows 11, all at an affordable price.. Microsoft 365 Basic subscribers have access to OneDrive advanced security ...
Applies To: OneNote for Microsoft 365, OneNote for Microsoft 365 for Mac, Microsoft 365 for home, Outlook.com, Microsoft 365 for Mac, Microsoft 365 for Windows, Microsoft account dashboard, Microsoft Family Safety, Microsoft Office, Office app for iOS, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
How to use multiple monitors in Windows - Microsoft Support
Tip: If you're using a wireless display adapter, connect to an HDMI port on newer TVs, then wirelessly connect your PC to it.After connecting your wireless display adapter to your TV, go to your Windows 11 PC, press Windows logo key + K to open Cast, then select your wireless display adapter.