Source: Threads

Step 1: Kill startup programs murdering your boot time.
Windows: Ctrl+Shift+Esc → Startup tab
Mac: System Preferences → Users & Login Items
Disable everything except antivirus. You can launch programs manually when you need them.

Step 2: Clear the cache nightmare.
Your browser stores gigabytes of junk—old cookies, images, auto-fill data.
Chrome/Edge: Settings → Privacy → Clear browsing data → “All time”
Firefox: Options → Privacy → Clear Data
Safari: Preferences → Privacy → Manage Website Data → Remove All

Step 3: Uninstall bloatware you never use.
Windows: Settings → Apps → Sort by size
Mac: Applications folder → drag to trash
Look for: Trial software, manufacturer apps, old games, duplicate programs.

Step 4: Run Disk Cleanup (Windows) or Optimize Storage (Mac)

Step 5: Disable visual effects eating resources

Step 6: Update ALL drivers (outdated drivers = crashes)

Step 7: Check for malware and adware.
Download Malwarebytes (free version works).
Run a full scan. You’ll be shocked what’s hiding.
I’ve found cryptominers, browser hijackers, and keyloggers people didn’t know existed.
Remove everything flagged.

Step 8: Upgrade to an SSD if you’re still on HDD.
This is the ONLY upgrade worth money.
A 500GB SSD costs $40-60.
Your computer goes from “why won’t this open?” to instant.
Boot time: 5 min → 15 seconds.

Step 9: Adjust virtual memory settings.
Windows: System → Advanced → Performance Settings → Advanced → Virtual Memory
Set to 1.5x your RAM amount.

Step 10: Disable Windows Search Indexing.
It constantly scans your files in the background.
Services → Windows Search → Properties → Startup Type: Disabled
You can still search manually.
But your CPU isn’t constantly working for no reason.