what are PACs? And how to get PACs after first win in new update?

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You’ll get an ingame mail notification after first win and is booster section there will be foil packs.
But i don’t know what is 3 PAC and how to get them…

I’ve received 3 Premium Foil Packs. But what is 3 PAC? And how to get them?

Hello!

I've downloaded launcher and installed it and when i run it it downloads all files but then freezes on 17/694. Actually it doesn't freeze the launcher - i can close it, scroll Release...