@sarath
what you need to install win7 on your Optitex3060 8th,
Windows 7 ISO
Ntlite
https://www.ntlite.com/download/
usb 3 drivers, provided par canonkong
No Signed modified intel IO/USB3.1 driver 32/64bit:https://yadi.sk/d/ISNYv5jV9dX5zQ
SHA256 Signed modified intel IO/USB3.1 driver 32/64bit:https://yadi.sk/d/30Ku1rUm-XdRvA
Tutoriel, provided by Fernando
[Guide] Integration of drivers into a Win7/8/10 image