Quantum Playground - Interactive Quantum Computing Simulator
Automatski Quantum Playground is a drag drop quantum circuit designer with a built in quantum simulator. That can run on Windows. Its a single click install, it detects and downloads all missing dependencies. It is the easiest way to get started with quantum computing.
And its completely free. You don't have to signup, register, purchase subscriptions, or enter your credit card. Also it is advertisement free and completely tracking free. Nothing is sent to any servers, nothing is logged, nothing is monitored.