Unrar the Dragon.Star.Varnir.Update.v20200407-CODEX.rar file. Run Setup: Execute the setup.exe found inside.
The "proper" (NFO) for the release details a minor update for the PC version of the game. Release Details Game Name: Dragon Star Varnir Update Version: v20200407 Group: CODEX Release Date: April 7, 2020 (as indicated by the filename). Update Notes (NFO Summary) Dragon.Star.Varnir.Update.v20200407-CODEX.rar
While the specific NFO text is a technical manifest, this particular update primarily addressed: Unrar the Dragon
Point it to your existing Dragon Star Varnir installation folder. Release Details Game Name: Dragon Star Varnir Update
Continued improvements for Windows 10 performance.
For community-verified technical data and file checksums, you can check scene databases like xrel.to or PreDB.me. Dragon Star Varnir Patches and Updates - SteamDB
Resolved specific stability issues and minor gameplay bugs reported since the previous build.