Instructions
Visit one of the websites that offers the SparkIV download for free, such as GTA-Downloads or Grand Theft Auto.
Click "Download," and choose "Save."
Uncompress the SparkIV file by right-clicking on the compressed folder and choosing "Extract All."
Double-click on the extracted file.
Click "Open" when a SparkIV window pops up.
Use SparkIV to install mods in Grand Theft Auto and customize your own cars.