Official specs from Steam

Quarantine Zone: The Last Check system requirements

Minimum and recommended PC specs as listed by the developer on Steam.

Minimum

NoteRequires a 64-bit processor and operating system
OSWindows 10 x64 Bit
ProcessorIntel Core i7-5820K / AMD FX-8370
Memory8 GB RAM
GraphicsGeForce GeForce GTX 980 / Radeon RX 470 / Arc A380
DirectXVersion 12
Storage12 GB available space
Additional NotesLow Quality setting, in 1080p, producing 30+ FPS

Recommended

NoteRequires a 64-bit processor and operating system
OSWindows 11 x64 Bit
ProcessorIntel Core i7-10700 / AMD Ryzen 5 5600X
Memory16 GB RAM
GraphicsGeForce RTX 2080 / Radeon RX 5700
DirectXVersion 12
Storage12 GB available space
Additional NotesHigh Quality setting, in 1080p, producing 60 FPS

FAQ

What graphics card do I need for Quarantine Zone: The Last Check?

Minimum: GeForce GeForce GTX 980 / Radeon RX 470 / Arc A380. Recommended: GeForce RTX 2080 / Radeon RX 5700.

How much RAM does Quarantine Zone: The Last Check need?

Quarantine Zone: The Last Check needs 8 GB RAM at minimum, 16 GB RAM recommended.

How big is Quarantine Zone: The Last Check?

Quarantine Zone: The Last Check requires 12 GB available space.

Does Quarantine Zone: The Last Check run on Mac or Steam Deck/Linux?

There is no native macOS version. There is no native Linux build (Proton compatibility may vary).