We use MMC to install the pack: https://multimc.org/#Download
Here is the instance with all of the mods and IP: https://mega.nz/file/AYkVAaQI#ssHq1TSrkyi0MXD4R7R-d7VLaAocWkSS-XNL81tDj2o

After downloading:
Step 1. Open MultiMC
Step 2. Hit "Add Instance"
Step 3. Choose "Import from zip" and select the zip file.
Step 4. Launch the instance.

Optional music pack: https://mega.nz/file/q0UE2AwI#3K0BKw__5Mnla8hIcSIiHM3P1jdyH1nMv2UFu2gsXXM

MOD LIST:
Biomes O' Plenty
Chisels & Bits
CustomNPCs
FastFurnace
Iron Chest
JourneyMap
Just Enough Items
MrCrayfish's Furniture
Optifine
Pixel Extras
Pixelmon
Pokedex Rewards
Waystones
Wondertrade