Download Mcreator

https://mcreator.net/download 

MCreator is open source software used to make Minecraft Java Edition mods, Minecraft Bedrock Edition Add-Ons, and data packs using an intuitive easy-to-learn interface or with an integrated code editor. It is used worldwide by Minecraft players, aspiring mod developers, for education, online classes, and STEM workshops.

MCreator is software for modding Minecraft without programming knowledge (mod generator). It's very simple to use, and its concept is easy to learn. Making new blocks, items, advancements, new types of existing blocks, mobs (ground, flying, water, ...), biomes, custom dimensions and portals, foods, tools, plants, machines, energy systems, weapons, and much, much more is possible with MCreator. You can use Git integration to work with your friends on the same mod at the same time.

                                                            [Excerpt from mcreator's wikipedia.]