Can't launch the engine after downloading

After i just finished downloading the engine everytime i click the laucnh button nothing happens
link text

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Btw the version 4.7.4

Hi anas_ali,

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

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

Thanks,

TJ