Obtaining save games for Dragon Ball Z Budokai Tenkaichi 4 on PCSX2 can be achieved through various means. Players can create their own save files by playing through the game and saving their progress at desired points. Alternatively, save files can be downloaded from reputable gaming forums and websites. These websites often host a variety of save files, allowing players to choose the one that best suits their needs. However, caution must be exercised when downloading save files from external sources to avoid potential malware threats.