The Armory allows you to save and swap between builds in Diablo 4.The much desired Armory system has arrived in Diablo 4 Season 7. The Armory feature is a quality of life update for players who want to test out multiple builds without the hassle of respeccing every time they find a new and interesting item. Its also great for players who want to streamline their equipment and skills for different scenarios, as the Armory allows you to swap builds at the click of a button.Find out more about what the Armory is, where its located, and how to use it in Diablo 4.What is the Armory in Diablo 4The Armory is a returning feature from Diablo 3 that allows you to save and swap between builds. Saving a build will take everything on your character including your equipment, skill tree, Paragon boards, and glyphs and create a copy of it for you to access at any Armory.In the Armory, you can save up to five unique builds per character allowing you to test different items or switch to the best build situation at hand.Armory locations in Diablo 4You can access the Armory in the following locations:Every major cityThe Dark CitadelThe Training GroundsThe Tree of WhispersArmories are marked on the map by an eye icon, which can be seen in the image above. If youre looking to swap your build, keep an eye out for the Armory icon on your map.How to use the Armory in Diablo 4Interact with the Armory to open the Armory menu, which contains your builds on the left and your character on the right.To save a build, select a slot in the Armory, and click Save to save your equipment, skills, class mechanics, Paragon boards, and glyphs to that slot. In doing so, the equipment used in that loadout will become favorited preventing them from being salvaged.If you want to save multiple builds, youll need to change your equipment to your desired loadout and save your build in a different Armory slot.To switch to a different build, select a loadout in the Armory and click the Load button. This will change your build to match everything in the loadout at no cost.For more Diablo 4 guides, heres the best class to pick in season 7 and whether or not you should play in the Seasonal or Eternal realm.