Official specs from Steam

The Ascent 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
ProcessorIntel Core Intel Core i5-3470 (4 * 3200) or equivalent / AMD FX-8350 (4 * 4000) or equivalent
Memory8 GB RAM
GraphicsGeForce GTX 660 ( 2048 MB) / Radeon R9 390X (8192 MB)
Storage35 GB available space
Additional NotesMinimum Specification listed above allows gameplay experience close to 30 FPS on average while using 1080p resolution and lowest settings

Recommended

NoteRequires a 64-bit processor and operating system
OSWindows 10 x64
ProcessorIntel Core i7-6700K (4 * 4000) or equivalent / AMD Ryzen 5 2600 (6 * 3400) or equivalent
Memory16 GB RAM
GraphicsGeforce GTX 1070 (8192 MB) / Radeon RX 5700 (8192 MB)
Storage35 GB available space
Additional NotesThe Recommended Specification listed below allows gameplay experience close to 60 FPS on average while using 1080p resolution and overall “High” settings:

FAQ

What graphics card do I need for The Ascent?

Minimum: GeForce GTX 660 ( 2048 MB) / Radeon R9 390X (8192 MB). Recommended: Geforce GTX 1070 (8192 MB) / Radeon RX 5700 (8192 MB).

How much RAM does The Ascent need?

The Ascent needs 8 GB RAM at minimum, 16 GB RAM recommended.

How big is The Ascent?

The Ascent requires 35 GB available space.

Does The Ascent run on Mac or Steam Deck/Linux?

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