DCS World is a "Free-to-Play" digital combat game, though most of its advanced aircraft and maps are sold as individual modules. Because your request involves a "repack" (a compressed, cracked version of software), there are a few important things to keep in mind regarding this specific version: 1. Version Context (v2.5.5)
The standalone version of DCS offers a 2-week free trial for almost every module, which resets every six months. This allows you to play the latest versions of the F-16, F/A-18, or Supercarrier for free, legally, and with full multiplayer access.
You cannot connect to modern servers, as they require the latest "Open Beta" or "Stable" versions.
Cracked versions of DCS are notorious for crashing, as the game's code frequently checks for integrity. 3. The Official Alternative