1. Burn or mount the image (You can use DaemonToolsLite) .
2. Install the game. When the game is installed in offline mode, a message will be displayed that you need to be online. Click the orange button to enter a media key: checknfo. If you have an internet connection enabled during setup, at the end of the setup, the autoupdate starts, close the autoupdate window.
3. Copy over the update files (ONLY "updates" dir and "update.bat" file) to the install dir and run update.bat.
4. Copy over the cracked content ("Battle.net", "Support", "Versions" directories and "StarCraft II.exe" file) to the install directory.
5. Play the game.