Licensing issues. WWE games older than 2K15 are rarely re-released due to expired wrestler contracts and music licensing.
Notably, there was of WWE SmackDown vs. Raw 2008 . This is a crucial fact. Many search results claiming "WWE Raw 2008 PC free download" are either emulator-based versions, mods, or outright malware. Wwe Raw 2008 Game Free Download Full Version Pc
WWE SmackDown! vs. Raw 2008 on a PC, you must use console emulation, as the game was never officially released for the PC platform. It was originally launched in 2007 for PlayStation 2, PlayStation 3, Xbox 360, Wii, PSP, and Nintendo DS. How to Play on PC (Emulation) Licensing issues