How can I check for unnecessary programs running in the background?

There are several ways to check for unnecessary programs running in the background. The Windows Task Manager can be used to view all applications and processes running in the background. Another way is to use a third-party software such as Autoruns, which allows users to view, enable, and disable programs that are automatically started at bootup. Additionally, some antivirus programs offer a task manager that can be used to view and manage running processes.