Watch the video:
Timestamps:
0:00 - Explanation
0:36 - Finding Wurst version
1:11 - Downloading Fabric
1:30 - Downloading Wurst
2:09 - Installing Fabric
2:20 - Installing Wurst
2:58 - Download + Install Fabric API
3:49 - Launching Wurst
This video takes you through downloading and setting up the Wurst client. It covers installing and setting up Fabric and Fabric API as well, so it’s a complete crash course. By the end of this video, you should have a version of the Wurst modded client for 1.16 on your computer. (This guide also applies to other versions of Wurst)
Wurst: https://www.wurstclient.net/
Fabric: https://fabricmc.net/use/
Fabric API: https://minecraft.curseforge.com/projects/fabric/files