How To Add Optifine to ANY modpack! [FTB/Twitch] +Valhesia 2

Watch the video:

0:00 - Explanation
0:32 - Finding Minecraft Version
1:00 - Downloading OptiFine
1:50 - Installing OptiFine
2:40 - Testing OptiFine

Simple, to-the-point tutorial on how to add Optifine to ANY FTB Minecraft Pack via the Twitch launcher [ANY VERSION]. This is the 2021 version of this video and should be updated to work with all modpacks, including 1.15 and up.

REMEMBER! Adding Optifine will boost your frames, but you can improve it EVEN MORE by adding more RAM to Minecraft. Check my tutorial here: Go to post or View on YouTube
2019 Guide: Go to post or View on YouTube

OptiFine: https://www.optifine.net/downloads
Get the Twitch launcher: https://www.twitch.tv/downloads