There are 2 (officially) supported launchers: and .
Modrinth app
2.Go to the "Discover content" tab:
3.Make sure the Modpacks category is selected:
4.Type "OptiClient" in the search box and press enter.
5.Click the "Install" button:
6.Click on it in the left sidebar!
Replace this with a description 7.Click the "Play" button!
AT launcher
2.Click on the "packs" bar!
Replace this with a description 3.Click on the "Modrinth" tab!
4.Type "OptiClient" in the search box and preess enter:
Replace this with a description 5.Click the "install" button!
Replace this with a description 6.Click on the "Instances" bar!
7.Click the "Play" button!
(The installation is similar for other launchers that support the Modrinth API as well.)
