1.) Download file
2.) Backup old Interface folder
3.) Extract Fantasy v3 and Fonts folder into your WoW directory. (using WinRar / WinZip)
4.) Log in and make sure to enable Fantasy v3 at login screen.
If you want to:
Change size of Action Bars
Increase size of Player Frames / Enemy Frames
Size of MiniMap
WoW Directory --> Interface --> AddOns --> Fantasy v3 --> Fantasy v3.lua (open with notepad)
CTRL - F search and or scroll down (it's commented for easy finding) and change the values. ex (1.3) to (1.5)
Addons I suggest:
ACP (AddOn Control Panel)
If you need help with anything feel free to send a message or message me in game at Shadows @ Tichondrius.