What should I do if my PC suddenly becomes slow?

1. Run an antivirus scan to check for any malicious software or viruses.
2. Update your operating system and drivers.
3. Uninstall any programs that you don’t need.
4. Check for disk errors and repair them if necessary.
5. Delete temporary files and junk from your hard drive.
6. Close any unnecessary applications running in the background.
7. Reduce the number of programs running at start-up.
8. Consider adding more RAM or upgrading your CPU to improve performance.