Once installed, Badlion Client should automatically open and there should be a shortcut app on your desktop, if not, go to the Destination Folder (Where you installed the Folder (Step 6.) go into it, there should be heaps of files and one should just say

Badlion Client 2 will continue to be developed in 2020 at the same time as Badlion Client 3.0. We will still be releasing updates every 6 weeks (approximately) for Badlion Client 2 during 2020 and at the same time we will be working on Badlion Client 3.0.

This will open up the Badlion installer. Read and agree to the licensing agreement, and then, click 'install'. At that point, the Badlion client will begin installing into Minecraft. Once it is done, click 'Finish', and the Badlion client