Download the .ISO file from here http://download.us.ghostbsd.org/develop ... 4/latest//
user Balena Etcher etcher.io for Windows, MacOS, Linux or Rufus rufus.ie tools to write .ISO files into a USB Flash Drive.

You can boot and test drive the GhostBSD live image on your PC with out installing to see if you like its operation on your hardware. Hit the <F12> key or other key to select the Boot Drive from your BIOS. The GBI utility will install GhostBSD into your hard drive or SSD drive, overwriting what ever is there.

Other question you want answered, Please post here or ask over at t.me/ghostbsd