What This Tool Does
Ever wonder “where did all my space go?” This script analyzes your entire hard drive and shows you the biggest space hogs in an easy-to-read report.
How It Works
1️⃣ Run the script (double-click, no admin needed)
2️⃣ Wait 30-60 seconds while it scans
3️⃣ Get a text report on your Desktop
4️⃣ See exactly what’s taking space
What You’ll Discover
The report shows:
- 📁 Largest folders by size
- 📄 Biggest files on your computer
- 🎮 Hidden game installs you forgot about
- 📹 Old video files eating gigabytes
- 💾 Duplicate downloads
Real-World Discoveries
🎮 The Hidden Game Hoard
“Thought I had 20GB free. Turns out old Steam games I ‘uninstalled’ left 80GB of files! Found them with this tool.” - Gamer, age 16
📸 The Photo Backup Nobody Knew About
“Phone auto-backup created 50GB of duplicate photos in a hidden folder. This tool found it in seconds.” - Small business owner
🎬 The Video Project Graveyard
“Film student here. Had 120GB of ‘project drafts’ from 2 years ago. Deleted them, got my drive back!” - College senior, 2025
💼 The Windows Update Cache
“Found 30GB of old Windows Update files Windows ‘forgot’ to delete. Safely removed with Disk Cleanup after finding them.” - IT consultant
How to Use the Results
Once you see the report:
1️⃣ Identify the biggest folders
- Look for anything over 10GB you don’t recognize
2️⃣ Investigate before deleting
- Google the folder name if unsure
- Check when it was last modified
3️⃣ Safe deletions:
- Downloads folder (after checking)
- Old game installs
- Temp project files
- Duplicate backups
4️⃣ DON’T delete:
- C:\Windows folder
- C:\Program Files
- C:\Users\YourName\AppData (unless you know what you’re doing)
Common Space Hogs
🎮 Games: 50-150GB each
🎬 Video editing: Old project files
📱 Phone backups: iTunes/iCloud local copies
☁️ Cloud sync: Local copies of cloud files
📧 Outlook: Old .pst files can be huge
🌐 Browsers: Cache folders forgotten
Example Report Output
=== DISK SPACE ANALYSIS ===
TOP 10 LARGEST FOLDERS:
C:\Games\Steam\ - 180 GB
C:\Users\You\Videos\ - 95 GB
C:\Windows\WinSxS\ - 45 GB (system, don't delete)
C:\Users\You\Downloads\ - 38 GB
...
TOP 10 LARGEST FILES:
backup-2023.zip - 15 GB
movie-project-final.mp4 - 12 GB
old-phone-backup.ipsw - 8 GB
...After Finding Space Hogs
For Files:
- Delete from Windows Explorer
- Empty Recycle Bin
For Programs:
- Uninstall via Settings → Apps
- Then use PC Speedup Script to clean leftovers
For System Files:
- Use Disk Cleanup (built into Windows)
- Run as Administrator for more options
Troubleshooting
Script won’t run → Right-click → “Run as administrator”
Taking forever → Large drives (1TB+) take 2-3 minutes
Can’t find report → Check your Desktop for “DiskAnalysis.txt”
Permission errors → Some system folders are protected (that’s normal)
Pro Tips
💡 Run quarterly - Storage creep happens slowly
💡 Check Downloads first - Easiest wins
💡 External drives - Consider moving old files there
💡 Cloud storage - OneDrive/Google Drive can free local space
💡 Uninstall unused - Games/apps you don’t use
Related Tools
- PC Speedup Script - Clean temp files
- Startup Cleanup - Speed up boot time
- System Info Export - Check total space
Need Help Interpreting Results?
Not sure what to delete? We offer remote consultations to safely guide you through freeing space without breaking anything.
Advanced: TreeSize Alternative
For a visual treemap (graphical), download the free TreeSize tool from Jam Software—our script gives you quick text results, TreeSize shows colorful charts.