Most "free" versions found on community sites use a pre-installed or simple setup method:
If the game fails to launch due to missing .dll files, check for a _Redist or CommonRedist folder and install the included DirectX or C++ packages. Safe & Legal Alternatives Blasphemous Free Download (v4.0.6.7)
Use a tool like WinRAR or 7-Zip to extract the folder. Most "free" versions found on community sites use