https://www.pcgamer.com/fallout-76-system-requirements/

Fallout 76's system requirements have been announced by Bethesda ahead of next week's beta on PC. Today, the publisher added them to the game's FAQ page, but rather than scrolling through all of that, we've captured them for you right here. 

Minimum

Requires 64-bit processor and operating systemOS: Windows 7/8/10 (64-bit OS required)Processor: Intel Core i7 4790 3.6 GHz/AMD Ryzen 3 1300X 3.5 GHz or equivalentGraphics: NVIDIA GTX 780 3GB/AMD Radeon R9 285 2GB or equivalentMemory: 8GB RAMStorage: 60GB of free disk space