To run a optimized version of Windows 7 Ultimate SP1, your hardware should meet these minimum benchmarks: 32-bit (x86) 64-bit (x64) 1 GHz or faster 1 GHz or faster RAM Storage 16 GB free space 20 GB free space Graphics DirectX 9 with WDDM 1.0 DirectX 9 with WDDM 1.0 Sources: AVADirect , TechTarget How to Create a Bootable USB
Open Rufus, select your USB drive, and then click "Select" to locate your Windows 7 Ultimate ISO. To run a optimized version of Windows 7
Background services like Print Spooler or Windows Search may be disabled by default to reduce CPU usage. select your USB drive
If you have obtained an ISO, the most reliable way to install it is via a bootable USB drive: To run a optimized version of Windows 7