In order for you to play Tempest 4000 on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows 7 SP1 64bit, Windows 8.1 64bit, Windows 10 64bit
Processor (CPU):
Intel Core i3-2120 CPU 3.30Ghz
Memory (RAM):
4 GB RAM
Graphics Card:
Intel HD Graphics 4600 or higher
DirectX:
Version 10
Storage:
2 GB available space
Sound Card:
Windows Compatible Sound card