Run appwiz.cpl and look at all the installed items. You may have several pieces of bloatware such as browser extensions that you don't need.
Check for apps that start automnatically when WIndows starts. Sysinternals autoruns is excellent for identifying and disabling.
How much RAM do you have? Excessive swapping due to too little RAM can seriously slow performance. Also, if you have an SSD, too little RAM and excessive swapping will prematurely age your drive.
Run Malwarebytes antimalware to check for other crap.