Hello.
Epic games opens perfectly but not Unreal Engine. Unreal Engine opens for just a second. no error message. My Imac material (mid-2011)
Processor : 3.4 GHz Intel core i7 processor
1TB hard drive
16 GB 1333Mhz DDr3 memory.
Graphisme : AMD Radeon HD 6970 M 1024 MB graphics
Thank you.