Which System Ninja edition would you like to download?
System Ninja Pro
System Ninja Free
Powerful Disk Cleaner
One-Click System Optimizer
The Microsoft .NET Framework 4.0 must be installed to use System Ninja. Supports Windows 8, Windows 10 and Windows 11. 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.