top right > launcher options > java settings > latest 64bit java (should be java 16.0.xx.x.x) > 4gb of ram
Install ARNAV BOOST 3139 ALREADY
Step 1
Installing a modpack using the Technic Launcher is easy. If you don't already have the launcher downloaded, visit our download page to get the latest version.
Step 2
Type in the modpack name (ARNAV BOOST 3139 ALREADY) or paste the following url into the search box.
Step 3
Finally, click Install at the bottom right of the launcher after you select ARNAV BOOST 3139 ALREADY from the list on the left. The launcher will handle everything else!