format the USB HDD on the PC with a fat32 format tool, then extract Freestyle to a folder and name this folder freestyle. Open Dashlaunch and set the xex file inside the folder as default. to move the FSD to the internal memory just use FTP from PC to Xbox and move this folder to the MU (Memory Unit) then on dashlaunch set the default to this xex. For GTA move the content to the internal memory no the USB HDD the Disc 2 put on the harddrive.
1 - format portable hdd to fat32
2- grab the freestyle folder and put it on the portable hdd
3- put the portable hdd on the xbox and go into xex menu
4- launch the freestyle.xex
5 - once you on freestyle ftp from pc to xbox using filezilla or any ftp program
6- on the ftp program copy the freestyle folder from pc to MU on xbox
7 - go to dashlaunch
8- set as default the xex inside the freestyle folder on the MU not the one on the HDD
9- save the launch.ini to the MU not the portable HDD
10- turn xbox off, unplug hdd then turn it back on you should boot to freestyle
11- delete the freestyle folder from portable hdd
12- copy the content of GTAV first disc the 4 files to the internal memory in content
13- extratc disc 2 and put it in a folder on portable hdd
14- launch default.xex inside game
15- create a folder on harddrive call Xbox360 Games
16- Move the GTAV folder created when you extracted it inside this folder
17- set up paths on freestlye for games using 2 as deps for xbox360, emuls, etc
18 - profit !!!!