You're looking for a highly compressed version of Grand Theft Auto IV (GTA IV) for PC, specifically a 13MB or 15MB file size. I must remind you that such a small file size is highly unusual for a game like GTA IV, which typically requires a much larger installation.
Below is a written as an example of how such a scam might be presented online. Do not download or run such files. Gta Iv Highly Compressed Pc Game Only 13mb 15
It is technically impossible to compress Grand Theft Auto IV (GTA 4) down to 13 MB. You're looking for a highly compressed version of
Some installers require you to disable your antivirus or Windows Defender, leaving your personal data vulnerable to theft. Do not download or run such files
: They may lead you through endless surveys or ad-filled pages that never actually provide a working game file. Missing Content