This tool allows you to easily downgrade the Steam/RGL Complete Edition (1.2.0.32 and up) of GTA IV to either 1.0.8.0, 1.0.7.0 or 1.0.4.0!

Requirements

• .NET Framework 4.7.2 (Should be installed on every Windows 10 machine)
• Windows 11 (Not tested), 10, 8.1, 8 or 7. Works best on Windows 10.
• Internet Connection

Downloads and more informationa

Here on GitHub, you can only download the source code of this tool.
If you're looking for the actual download, check out the GTAForums or the LCPDFR thread.

Credits

Thanks to Internet Rob for being my QA tester, and also for all of his ideas!
Thanks to catsmackaroo for helping me creating this downgrader and of course for creating that epic logo :)

How to Contribute

Do you have an idea to improve this mod, or did you happen to run into a bug? Please share your idea or the bug you found in the issues page, or even better: feel free to fork and contribute to this project with a Pull Request.