Getting stronger fast is the key to success in Fallout 4.S.P.E.C.I.A.L. Allocation and Perks: Rest Up for a 10% XP boost.Exploration and Gameplay: Discover new places, master lockpicking and hacking, and fight enemies for XP.Crafting and Camp-Building: Build and scrap to earn XP steadily.Intelligence and XP Boosting Items: Wear smart clothes, use chems, and try Squirrel Stew for XP boosts.Using Mods: Install Cheat Room mod for unlimited XP.