Restart the computer
Close unused programs
Disable unnecessary startup apps
Uninstall unused software
Delete temporary files
Empty the Recycle Bin or Trash
Free up disk space
Run a malware scan
Update the operating system
Update device drivers
Update installed applications
Clear browser cache and cookies
Remove unnecessary browser extensions
Check for high CPU or memory usage
End unresponsive background processes
Increase RAM
Upgrade to an SSD
Defragment the hard drive
Check disk health
Disable visual effects
Adjust power settings for performance
Clean dust from vents and fans
Make sure the computer is not overheating
Reset or reinstall the operating system
Back up important files before major changes