I made a video to help Unity devs quickly navigate things before they make decisions. Watch is not necessary I copy paste my video description below with all the links I shown in video. If you like to hear my thoughts or opinion then watch I don't mind, I don't use youtube video to make a living.
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This is not tutorial video, also not video to tell you to use UE. It is a video that tell you the information you might need to start and make a decision for yourself. There are plenty of other better tutorial content creator than me, feel free to search for those.
TL;DW: Just click through the links if you don't want to spend 30+ mins hearing me talking about it.
1:06 Migration Doc: https://docs.unrealengine.com/5.0/en-US/unreal-engine-for-unity-developers/
2:18 License Portal: https://www.unrealengine.com/en-US/license
Standard License: https://www.unrealengine.com/en-US/eula/unreal
EULA Change Log: https://www.unrealengine.com/en-US/eula-change-log/unreal
8:16 UE Features: https://www.unrealengine.com/en-US/features
9:46 Setup Visual Studios: https://docs.unrealengine.com/5.3/en-US/setting-up-visual-studio-development-environment-for-cplusplus-projects-in-unreal-engine/
10:46 D3D Crash: https://docs.unrealengine.com/5.0/en-US/how-to-fix-a-gpu-driver-crash-when-using-unreal-engine/
14:04 Good Sample Projects to start
17:42 Show Lyra, talk about Blueprint, C++, making your thing in plugins
20:35 Convert Blueprint Project to C++ project.
21:15 Create your own plugins
24:24 Deal with Experimental, Beta features
27:07 Market Place free content and restriction
29:00 UEFN: https://dev.epicgames.com/community/fortnite/getting-started/uefn
30:28 Show UEFN, example island UEFN Doc: https://dev.epicgames.com/documentation/en-us/uefn/starting-out-in-unreal-editor-for-fortnite
32:41 Verse Doc: https://dev.epicgames.com/documentation/en-us/uefn/learn-programming-with-verse-in-unreal-editor-for-fortnite
34:27 Creator Economy 2.0: https://create.fortnite.com/news/introducing-the-creator-economy-2-0?team=personal