this is a modpack made for performance. With around 70 mods... I would use optifine with this (only for first version) because it will help with fps (windowed or full screen mode is recommended.
Install easy to run modpack(ETRM)V1.0
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 (easy to run modpack(ETRM)V1.0) or paste the following url into the search box.
Step 3
Finally, click Install at the bottom right of the launcher after you select easy to run modpack(ETRM)V1.0 from the list on the left. The launcher will handle everything else!