Last updated 2025-08-27
9 Quick Wins to Speed Up a Slow PC
No registry hacks. No risky cleaners. Just proven steps from Windows settings and good hygiene.
TL;DR
Disable heavy startup apps, uninstall bloat, turn on Storage Sense, run a malware scan, keep drivers and Windows updated, switch power mode, and keep at least 15 percent free disk space. If the PC still feels slow, consider a RAM or SSD upgrade.
The 9 wins
- Trim startup apps. Open Task Manager - Startup apps and disable High impact items you do not need.
- Uninstall bloat. Settings - Apps - Installed apps, sort by size or install date.
- Turn on Storage Sense. Automatically clear temporary files and old downloads.
- Scan for malware. Run Windows Security - Virus and threat protection - Quick scan. Use Full scan if you suspect infection.
- Update Windows and drivers. Check Windows Update and install GPU and chipset drivers from your vendor.
- Choose the right power mode. On AC, use Best performance or Balanced. On battery, use Balanced.
- Close tab overload. Too many browser tabs and extensions can eat RAM and CPU.
- Restart weekly. Reboot clears memory leaks and applies updates.
- Keep 15 percent free space. Low disk space slows everything.
Deeper fixes if you need them
- Update BIOS or firmware if your vendor recommends it for stability.
- Check for thermal throttling and dust build-up that can cause slowdowns.
- If you run virtual machines, ensure features like Memory Integrity or VMP match your needs.
When to upgrade hardware
If your PC has less than 8 GB RAM, upgrading to 16 GB can help with multitasking. Moving from a hard drive to an SSD is the biggest single speed boost for older PCs.
References
Related: Stop startup apps from slowing boot time · Clean up disk space safely