Operating systems

This tutorial explains how to duplicate or expand your screen in Windows.

This tutorial explains how to check your BIOS version on Windows.

This tutorial explains how to lock or unlock taskbar in Windows.

This tutorial explains how to clear your DNS cache.

This tutorial explains how to create a remote desktop connection shortcut in Windows.

This tutorial explains how to delete an user account or profile on Windows.

This tutorial explains how to change the default program to open files in Windows.

This tutorial explains how to remove an unwanted keyboard layout in Windows.

This tutorial explains how to find serial number using command prompt Windows.