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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.
Fix microphone problems - Microsoft Support
If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.
Installing Microsoft Defender - Microsoft Support
Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.
Applies To: Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
Give your PC a Fresh Start - Microsoft Support
Fresh Start in Windows 10 lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact.
Get Windows updates as soon as they're available for your device
Learn how you can get the latest available features and enhancements if you have Windows 11, version 22H2 or later.
Play a CD or DVD in Windows Media Player - Microsoft Support
Note: If you start to play a DVD or VCD in the Player Library, the Player automatically switches to Now Playing mode. The Blu-ray Disc format is not supported in Windows Media Player. To play a Blu-ray Disc, you need to use a non-Microsoft program that supports Blu-ray playback and a device capable of reading Blu-ray Discs.
Create a USB recovery drive - Microsoft Support
Save disk space by creating a USB recovery drive, and use it to restore, refresh, or reset your PC.
Recover lost or deleted files - Microsoft Support
Learn how to recover files that have been lost, deleted, or accidentally changed.
View, manage, and install add-ins for Excel, PowerPoint, and Word ...
Explore your options and settings when you install add-ins.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel for the web, Word for the web, PowerPoint for the web, Excel 2021, Word 2021, PowerPoint 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016, InfoPath 2013
Troubleshoot Surface Type Cover or Keyboard - Microsoft Support
There are some solutions you can try. First steps if your Surface Type Cover or Keyboard doesn't work. To try to resolve these issues, you can begin by following the steps below to get the latest updates, detach the Type cover or keyboard, force a restart, reattach the Type Cover or Keyboard, or confirm connectivity.. Get the latest updates