Ensure your Windows firewall isn't blocking the Rockstar Games Launcher.
Once installed, right-click the game in Steam > Properties > Local Files > Verify Integrity of Game Files to ensure no data was corrupted during the 22GB download. If You Are Installing from a Retail Disc: Insert Disc 1: Follow the on-screen prompts. grand theft auto iv the complete edition v12032 install
The launchers will automatically pull the latest build. As of the most recent updates, the versioning typically lands on v1.2.0.32 or higher. Ensure your Windows firewall isn't blocking the Rockstar