1). All storyline and side missions completed
2). All Races Won
3). All gang wars completed
4). Completed import / export of motorcycles for Angus
5). All the seagulls are killed
6). All bonuses of friends are open
7). Account 999999999 $
8). All bonuses and apartments received

To install:

Copy to C:\Documents and Settings\*user name*\Local Settings\Application Data\Rockstar Games\GTA IV (Windows XP) or С:\Users\*user name*\AppData\Local\Rockstar Games\GTA IV\savegames (Windows Vista/7/8/10).

Author: Iluminatich