Skype for Business help - Microsoft Support
Download and install Skype for Business on your PC. Sign in to and out of Skype for Business. Set up an audio device for Skype for Business. Set up and troubleshoot Skype for Business video
Applies To:
Skype for Business, Skype for Business Basic, Skype for Business for Mac, Skype for Business Online
Error codes in Device Manager in Windows - Microsoft Support
Cause. The device has no drivers installed on your computer, or the drivers are configured incorrectly. Recommended Resolution. Update the Driver. In the device's Properties dialog box, click the Driver tab, and then click Update Driver to start the Hardware Update Wizard.Follow the instructions to update the driver.
Windows 10 update history - Microsoft Support
Windows 10, version 2004 and Windows Server, version 2004 update history; End of service statement; December 14, 2021—KB5008212 (OS Builds 19041.1415, 19042.1415, 19043.1415, and 19044.1415)
Set up Office apps and email on a mobile device
If you are using a Surface Pro tablet, you can install Office and email as you would on a desktop computer! See Install Office on your PC or Mac.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, OneNote for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel for the web, Word for the web, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 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, OneNote 2016, Office 2016, PowerPoint for Mac, Outlook Web App for Office 365 Small Business, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Outlook.com, Office 365 operated by 21Vianet - Admin, Outlook Web App Light, Outlook Web App, Skype for Business
Skype help & learning
Skype help & learning. Limited emergency calling Skype is not a replacement for your telephone and has limited emergency calling capabilities depending on your country.
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Windows Installer 3.1 v2 (3.1.4000.2435) is available
Describes the Windows Installer 3.1 v2 download that is available as a redistributable system component for Windows 2000 SP3, Windows 2000 SP4, Windows XP, Windows XP SP2, and Windows Server 2003.
退还从 Microsoft 购买的物品以进行换货或退款 - Microsoft 支持
了解如何接收从 Microsoft 购买的商品的退款或换货。
Applies To:
Microsoft account dashboard
Mobile devices help & learning
Help for Microsoft mobile apps on Android and iOS devices. Find how-to articles and video tutorials for Samsung Galaxy and iPhone. Learn how to link your Microsoft 365 mobile apps, including Outlook, OneNote, and Your Phone.
Office Help & Training
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