How to install mods for GTA 4 Complete Edition?/Как устанавливать моды на гта 4 Complete Edition?

[Ядерный Володя]

[ENG]
How to install mods for GTA 4 Complete Edition? Which version should I downgrade the game to? What do you need to download for the mods to work?
[RUS]
Как устанавливать моды на гта 4 Complete Edition? На какую версию даунгрейдить игру?Что надо скачивать что бы моды работали?

[lagman]

Download GTA IV Downgrader - it will also install some mods for you, and you can choose from plenty of options, it's really handy. Downgrade your game to 1.0.7 or 1.0.8, personally i use 1.0.7 since most mods are compatible with this version.