If you have problem in installation then visit the source link
 
http://www.skidrowzgames.com/baldurs-gate-enhanced-edition-v1-0-2011-update-skidrow/

INSTALL NOTES

1. Unpack release
2. Run Baldurs.Gate.Enhanced.Edition.v1.0.2011.Update.exe
3. Install
4. Block the game in your firewall and mark our cracked content as
secure/trusted in your antivirus program
5. Play the game