Can't launch just after i finished downloading

I just finished downloading the ue version 4.7.4 and each time i click the launch button nothing happen

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Got a same problem with the launch after update to 4.7.4
using windows 10
Update got freezed on 90%, after restart luncher, lunch button is disabled with text “Not installed Unreal Engine 4.7.4”

Actually that isn’t my problem sorry m8 i finished downloading but i cna’t launch the engine

Hi anas_ali,

We noticed that this is a duplicate post of this question: Can't launch ue4.7.4 - Platform & Builds - Epic Developer Community Forums

We will be closing this post in order to focus the discussion in one place.

Thanks,

TJ