1. Unused programs: Uninstall programs that you don’t use or have never used.
2. Bloated software: Delete resource-hogging applications like anti-virus software, large media players, and other programs that take up excessive system resources.
3. Unnecessary background processes: Identify and disable unnecessary startup programs and services that run in the background.
4. Browser toolbars: Remove browser toolbars and plugins you don’t use or need.
5. Malware and adware: Use an effective malware removal tool to get rid of any malicious or unwanted software on your computer.