Many people will tell you that the answer to how to unlock Acrid Risk of Rain 2 is to install other antivirus programs on your PC. The trouble with this advice is that there are a number of fairly recent antivirus programs that can do a far better job of locking down PC files than the first ever version of Acrid Risk of Rain on PC was able to. In fact, if you have one of these new antivirus programs on your PC, Acrid Risk of Rain 2 will be almost impossible to run. The reason why this is so is because the newer antivirus programs will not let Windows run any parts of the game that are not 100% safe and will cause it to freeze or crash whenever you try to run the game.
This means that the only way to unlock Acrid Risk of Rain 2 on PC is to remove the newer antivirus program from your PC and then reinstall the older anti-malware programs which protect your PC. If you really want to unlock Acrid Risk of Rain 2 on PC, then you need to have this information now, before you buy the game. The older versions of the game worked with many of the more recent antivirus software programs, but they were still very easy to install as the older versions of the game are updated with new versions of the game pretty regularly.
So if you want to know how to unlock Acrid Risk of Rain 2 on PC, then you need to do a little research and find out which of the different antivirus programs is going to be the best to use to protect your PC. Once you have found a good antivirus program to use on your PC, you need to make sure that you keep it updated with the latest updates, as they will be released quite regularly.