Since this is a "scene" release, your antivirus might flag the crack files as "False Positives." It is standard practice to exclude the game folder from scans if you trust the source.
Beyond a Steel Sky – The 3D sequel to the cult classic Beneath a Steel Sky , featuring a story-driven mystery in the dystopian city of Union City. Beyond.a.Steel.Sky.v1.5.29158-PLAZA.part3.rar
Right-click on Part 1 and select "Extract Here" using a program like WinRAR or 7-Zip . It will automatically pull data from part3 and the others to create a single ISO file or folder. Since this is a "scene" release, your antivirus