According to Rockstar Warehouse, GTA 4 PC size ( Complete Edition) = 22GB.

The main story starts with ‘Niko Belic’ and his journey starts in Liberty City after he arrives on a cargo ship. The game also has two DLCs – ‘The Ballad of Gay Tony’ and ‘The Lost and Damned’. They were later joined together as Episodes from Liberty City. GTA 4 The Complete Edition includes the main game and Episodes from Liberty City.

GTA 4 PC Complete Edition Game Size

According to Rockstar Warehouse, the download size of GTA 4 Complete Edition is 22 GB.

You can purchase and download GTA 4 Complete Edition at an affordable price from various online marketplaces like Steam and Rockstar Warehouse.

Rockstar Warehouse: Click here

Steam: Click here

GTA 4 PC original (older) Game Size

The original Setup size/download size of the GTA IV PC is about 14 GB and the size after installation is about 15 GB.