You must own a legally purchased copy of Super Robot Wars Z2: Saisei-hen to apply the patch. Piracy is not condoned.
An established patch by SRWFanHobByt3 offers English translations for menus and the interface. This allows the game to be fully playable for those familiar with the series' mechanics. The "Hakai-hen" Precedent: A full story and battle dialogue patch for Part 1 ( super robot wars z2 saisei-hen -english patch-