Enable virtualization on Windows - Microsoft Support
Enabling virtualization gives you access to a larger library of apps to use and install on your device. If you upgraded your device from Windows 10 to Windows 11, these steps help you enable virtualization.
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.
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.
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.
Create a recovery drive - Microsoft Support
For Windows 8.1, see Create a USB recovery drive. To download Windows 11 installation media, see Recovery options in Windows. Create a recovery drive so you can reinstall Windows 10 or Windows 11 in case you experience a major issue such as hardware failure.
System configuration tools in Windows - Microsoft Support
Windows provides a variety of configuration tools tailored to meet the needs of different users. These built-in tools facilitate your device's customization and monitoring, allowing you to change Windows' configuration to suit your preferences and requirements with precision.
Configure startup applications in Windows - Microsoft Support
Configure startup applications from File Explorer. Fix the error: We couldn’t find this app. If you see the massage We couldn’t find this app as an app title in Settings, the app could be on a removable drive, a network drive, or the path to the app might not exist.
Create and format a hard disk partition - Microsoft Support
Create and format a hard disk partition. To create a partition or volume (the two terms are often used interchangeably) on a hard disk, you must be logged in as an administrator, and there must be either unallocated disk space or free space within an extended partition on the hard disk.
Recovery options in Windows - Microsoft Support
You can reset your PC from Settings, the sign-in screen, or by using a recovery drive or installation media. To complete the reset, connect to a network and follow the instructions on your PC. Then choose from the options and/or settings in the table below. Reinstalls Windows 11 and keeps your personal files.
Manage user accounts in Windows - Microsoft Support
Learn how to add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.