1. Get the Geck If you already have a copy from Fallout 3, you'll need to update it to version 1.5 to open New Vegas's updated file formats.

The wait is almost over! Fallout 4 PC modders will soon get access to the official GECK toolset.

From myth to power source, the GECK defines Fallout's struggle between survival, control, and the morality of restoring a post-nuclear world.