The tool will download Windows 10 and prepare the USB. Once finished, you will see a message saying "Your USB flash drive is ready". Usage Instructions
The way it handles RAM allocation for background processes is significantly more efficient than a stock Windows 10 install. I noticed fewer micro-stutters during heavy multitasking. System Stability: Sxsi X64 Windows 10
This is usually normal during software installation or update. But if it stays high: The tool will download Windows 10 and prepare the USB