marge what is starsector
Starsector is a FREE fleet simulator in which you can forge your own path in the space equivalent of the dark ages, join one of several factions, start your own, or freelance as you wish.
>how to download
go to https://fractalsoftworks.com/preorder/
and download for your operating system (second picture in OP)
launch the game and use the activation key
(jannies this key has existed for several years on a video with 8 million views, it would not cause legal trouble for the sharty, infact the developers of the game have spoken about it and stated that they were completely fine with this key being used to play the game for free)
(You) can also download mods at https://fractalsoftworks.com/forum/index.php?board=8.0;sort=views;desc
Nexerelin is reccomended as it adds the feature of invading and taking over other planets, where in the base game you can only colonize empty planets and nuke inhabited ones.