Instructions : 
-Download all 7z parts
-Extract IMG
-Burn IMG on pendrive or usb HDD like you do with RaspBerry PI Images (use WIn32DiskImager for example)
-Boot your computer on usb pendrive

You need to configure your controllers (press tab key on attractmode) and use the menu configuration on attractmode.

You also need the media pack from Hyperpie2 Pi Version (just extract in /home/pi/RetroPie/roms) and BIOS.

This IMG contains NO ROMS and NO BIOS! You need a 32gb pendrive on usb hdd

The pi password is : raspberry