In order for you to play Fallout 4 on Windows with minimal graphics settings, your computer must meet the following requirements
Requires a 64-bit processor and operating system
OS *:
Windows 7/8/10 (64-bit OS required)
Processor (CPU):
Intel Core i5-2300 2.8 GHz/AMD Phenom II X4 945 3.0 GHz or equivalent
Memory (RAM):
8 GB RAM
Graphics Card:
NVIDIA GTX 550 Ti 2GB/AMD Radeon HD 7870 2GB or equivalent
Storage:
30 GB available space
In order to play Fallout 4 on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
Requires a 64-bit processor and operating system
OS *:
Windows 7/8/10 (64-bit OS required)
Processor (CPU):
Intel Core i7 4790 3.6 GHz/AMD FX-9590 4.7 GHz or equivalent
Memory (RAM):
8 GB RAM
Graphics Card:
NVIDIA GTX 780 3GB/AMD Radeon R9 290X 4GB or equivalent
Storage:
30 GB available space