I want two methods to download of Unreal Engine 4, the fist method this is free download without a source-codes, the second method is commercial 19 dollars a month and all source-codes of Unreal Engine 4. And soory for my English))
No. There is no free version. You pay the $19 subscription and you gain access to download both the compiled engine binary and the source code. You can then cancel your subscription and maintain access to the version at the time of your cancellation.