Minumum system requirements

What are the advantages of producing a game for high specs PC?

• You will be able to make your game with really fancy graphics and other features that an old PC wont be able to run.
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What are the disadvantages of producing a game for high specs PC?

• You might not get a higher player base to try out/play your game as not everybody can afford a high end/gaming PC.

Advantages of UE4

Nice Graphics Quality, you can make games for multiple platforms.

User-Friendly Interface, very easy to learn for beginners.

Disadvantages of UE4

• Performance can be rather unstable at times.