hard radish
Hello!
Well there's 2 routes.
1 - Easy way: Grab an export of the modpack and shoot us a ticket! The support team will get that installed within minutes for you and get it live!
2 - Manually installing it - If you use the JAR Menu to select the version of Forge/Fabric/Neoforge that pack needs, create a mods folder, and then move over all the .jar files needed. Would likely need testing to remove the client-side only mods.
Let me know which you'd rather do and I can nab links/steps for ya 
barren crown
how do i grab an export of the modpack? am very new to thishaha
hard radish
All good 
Super simple! You're using Curseforge yeah?
barren crown
yes
hard radish
Right click the modpack in your list, click "Share Profile", and choose the "Export as .zip file" option. Using my ATM10 modpack screenshot as an example:
Make sure to NOT toggle that "select server mods only" bit. Curseforge has no idea which ones are necessary and all you'll end up sending is like half the modpack that doesn't work 
barren crown
okay give me 1 second
hard radish
Take your time
barren crown
@hard radish do i just tick every box yeah?
hard radish
ALl you'd need is "Config" "Datapacks" (if it's there) and "Mods"!
barren crown
ok i got that
hard radish
Perfect! Now just attach that to a ticket and you'll be big gaming in no time!
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hard radish
):<
That's weird but weirder has happened - is this the modpack? https://www.curseforge.com/minecraft/modpacks/nanomagic
barren crown
yes
hard radish
Assuming you'll be using the latest version then - send them this link to make it easy for em then!
https://www.curseforge.com/minecraft/modpacks/nanomagic/files/7378250
barren crown
thanks mate