Why your computer is running slowly and how to fix it for free

Why is my computer running so slowly? We see this a lot – you type the question into Google, hit enter and hope for a miracle. The short answer is: it’s usually a combination of software clutter, background tasks and a few settings you can tweak without buying anything. Myth 1: Adding more RAM will instantly speed everything up What’s true: More memory helps if you’re constantly hitting the 80‑90% mark in Task Manager. What’s false: If your RAM usage is already low, extra sticks won’t do a thing. What to do instead: Open Task Manager (Ctrl+Shift+Esc) and check the Performance tab. If you see less than 50% RAM in use, close unnecessary programmes. Disable start‑up apps you never use – right‑click them in the Startup tab and choose Disable . Myth 2: My antivirus is slowing my PC down What’s true: Some older scanners run heavy real‑time checks. What’s false: Modern Windows Defender is well‑optimised and usually lighter than third‑party tools. What to do instead: Make sure Windows Defender is up to date (Settings → Update & Security → Windows Security). If you have a third‑party suite, consider switching to the built‑in solution – it frees up CPU cycles without compromising protection. Myth 3: I need to reinstall Windows to get speed back What’s true: A fresh install wipes out bloat and can help a badly corrupted system. What’s false: Most slowness is caused by simple things you can fix in minutes. What to do instead: Run Disk Cleanup (type it in the Start menu) and tick temporar