Simply go to the Steam Workshop, find the XCOM 2 section, then find the Long War 2 mod. Installing Long War 2 is thankfully much easier than the original Long War was. If you haven’t I would recommend playing through the original vanilla XCOM 2 campaign first. This article does assume that you have played the original X-COM 2 campaign and are fairly familiar with how X-COM 2 works in general. Before Starting Long War 2: Setup, Installation, Mods, Workshop This article will be a quick primer of the information that every player should know before starting a Long War 2 campaign. While it is an amazing mod, one of its downsides is that the new geoscape and other mechanics are not explained well enough. Beginner strategy for Long War 2! This free mod for XCOM 2 increases the time, complexity, and difficulty of the XCOM 2 campaign.