If you just want to play in English, your best bet is joining a private server that already has the patch built into their client download instructions.
All major monsters, including unique Frontier Zenith variants. monster hunter frontier english patch
Experience the full game, including the high-octane Zenith monsters and G-Rank content. If you just want to play in English,
Target monsters, supply conditions, and hunting maps. monster hunter frontier english patch
Endgame armor progression in Frontier requires specific paths, including "Hiden" armor grinds and crafting "Sigils" (stat-boosting decorations). The patch translates these specific modifiers so you do not accidentally waste rare materials.