Change Default Apps in Windows - Microsoft Support
Learn how to change default apps and protocol handlers in Windows, including an example about how to configure the default browser.
Common file name extensions in Windows - Microsoft Support
Learn what file name extensions are, which extensions are common in Windows, and how to view them in File Explorer.
Uninstall or remove apps and programs in Windows
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.
Configure Startup Applications in Windows - Microsoft Support
Learn how to optimize system performance by managing startup applications in Windows.
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.
Repair apps and programs in Windows - Microsoft Support
In the search box on the taskbar, enter control panel and select Control Panel from the results. Select Programs > Programs and Features. Right-click the program you want to fix and select Repair, or if that’s not available, select Change. Then follow the directions on the screen. For more tips, see Repair an Office application.
Command Prompt and Windows Powershell - Microsoft Support
In Windows 11 22H2, the default app used to host console windows has been changed to Windows Terminal. After the October 2022 update, Command Prompt, Windows PowerShell, and other console apps will appear inside an instance of Windows Terminal.
Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
Reset your PC - Microsoft Support
Learn about the different reset options in Windows and how to reset your device.
Change your app recommendation settings in Windows
Go to Settings > Apps > Installed apps or Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.