Download Worldedit Mod Jar -

Find or create a folder named mods (all lowercase). Drag and drop the WorldEdit JAR (and the Fabric API JAR if using Fabric) into this folder. Step 4: Launch and Verify Restart your Minecraft launcher.

Filter by your Minecraft version (e.g., 1.21.1) and loader (Fabric or Forge). Download worldedit mod jar

Select the or Forge profile from the dropdown menu and hit Play . Find or create a folder named mods (all lowercase)