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Which edition of System Ninja 3.1.8 would you like to download?

System Ninja Pro

Ideal for technicians, network administrators and IT pros.

  • Powerful Disk Cleaner
  • Useful Utilities
  • One-Click System Optimizer
  • Custom Branding
  • Portable Edition
  • Automatic Updates
Members Only
Join Pro Club

System Ninja Free

No ads or toolbars. Just a great app.

  • Powerful Disk Cleaner
  • Useful Utilities
  • One-Click System Optimizer
  • Custom Branding
  • Portable Edition
  • Automatic Updates
Free
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The Microsoft .NET Framework 4.0 must be installed to use System Ninja. Supports Windows XP (SP3), Windows Vista, Windows 7, Windows 8 and Windows 10. System Ninja is downloaded solely at your own risk. SingularLabs cannot be held liable for any damages resulting from the use of this computer program. Please read our full terms of service.