Use the System File Checker tool to repair missing or corrupted system ...
If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track. Run the System File Checker tool (SFC.exe)
Fix problems that block programs from being installed or removed
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter. Download troubleshooter.
Recover lost files on Windows 10 - Microsoft Support
Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.
Uninstall or remove apps and programs in Windows
Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now.
How to install the latest version of DirectX - Microsoft Support
DirectX 11.2 is included in Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2. There is no stand-alone update package for DirectX 11.2. You can only install this DirectX version through Windows Update in Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2.
Turn off, disable, or uninstall OneDrive - Microsoft Support
OneDrive is built in to some versions of Windows and can't be uninstalled. But you can hide it and stop the sync process, so it stays hidden. To do this, turn off all the OneDrive settings and remove the OneDrive folder from File Explorer. One more time, select and select Quit OneDrive.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Find your BitLocker recovery key - Microsoft Support
Find your BitLocker recovery key. A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive.
Files are deleted permanently after you redirect the Recycle Bin by ...
Fixes an issue in which recycled files are deleted permanently if you delete files from a DFS link in a network environment on a client computer that is running Windows 7 or Windows Server 2008 R2 after you redirect the Recycle Bin to the DFS link.
Restore deleted files or folders in OneDrive - Microsoft Support
If you accidentally delete a file or folder in OneDrive, you may be able to recover it later from the OneDrive recycle bin, and if you're a Microsoft 365 subscriber, you can even restore your entire OneDrive if something goes wrong.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, Office for business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
Create installation media for Windows - Microsoft Support
You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.