If you want the simplest experience, buy the GOG version (which is actually the Sourcenext engine but stripped down). However, if you want the definitive modding platform, complete with 4K upscaling, 60 FPS, flawless widescreen, and every language pack available, hunting down a is the ritual every true survival horror fan should experience.
Enter the holy grail: the edition.
Because the Sourcenext version is abandonware (not supported, not sold, developer no longer holds game licensing rights—Sourcenext now focuses on security software), the community has stepped up. A "new" ISO is typically a preservation dump . biohazard 2 sourcenext iso new