If you are using the Windows you can disable a lot of unnecessary services on your OS bat file contains main spy services of Windows but can disabel by your taste
Before you start with all manipulations nake backup reg export HKLM hklm_backup.reg
net stop dmwappushservice sc config dmwappushservice start=disabled net stop diagnosticshub.standardcollector.service sc config diagnosticshub.standardcollector.service start=disabled net stop DcpSvc sc config DcpSvc start=disabled net stop WerSvc sc config WerSvc start=disabled net stop PcaSvc sc config PcaSvc start=disabled net stop DoSvc sc config DoSvc start=disabled net stop WMPNetworkSvc sc config WMPNetworkSvc start=disabled net stop RemoteRegistry sc config RemoteRegistry start=disabled net stop TermService sc config TermService start=disabled net stop TrkWks sc config TrkWks start=disabled net stop DPS sc config DPS start=disabled pause
disable xbox services that to increase CPU power if you are using them then no need
net stop XblAuthManager sc config XblAuthManager start=disabled net stop XblGameSave sc config XblGameSave start=disabled net stop XboxNetApiSvc pause
sc config XboxNetApiSvc start=disabled