Official specs from Steam

Tekken 8 system requirements

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

Minimum

Note	Requires a 64-bit processor and operating system
OS	Windows 10 64-Bit
Processor	Intel Core i5-6600K/AMD Ryzen 5 1600
Memory	8 GB RAM
Graphics	Nvidia GeForce GTX 1050Ti/AMD Radeon R9 380X
DirectX	Version 12
Network	Broadband Internet connection
Storage	100 GB available space
Sound Card	DirectX compatible soundcard/Onboard chipset
Additional Notes	"FPS (frame rate/second): Stable over 60" is guaranteed and selected under the graphic settings by default when the game is launched for the first time.Frame rate may drop when other applications are running in the background.*Please note that minimum and recommended specifications are subjected to changes without notice.

Note	Requires a 64-bit processor and operating system
OS	Windows 10 64-Bit
Processor	Intel Core i7-7700K/AMD Ryzen 5 2600
Memory	16 GB RAM
Graphics	Nvidia GeForce RTX 2070/AMD Radeon RX 5700 XT
DirectX	Version 12
Network	Broadband Internet connection
Storage	100 GB available space
Sound Card	DirectX compatible soundcard/Onboard chipset
Additional Notes	"FPS (frame rate/second): Stable over 60" is guaranteed and selected under the graphic settings by default when the game is launched for the first time.Frame rate may drop when other applications are running in the background.*Please note that minimum and recommended specifications are subjected to changes without notice.

What graphics card do I need for Tekken 8?

Minimum: Nvidia GeForce GTX 1050Ti/AMD Radeon R9 380X. Recommended: Nvidia GeForce RTX 2070/AMD Radeon RX 5700 XT.

How much RAM does Tekken 8 need?

Tekken 8 needs 8 GB RAM at minimum, 16 GB RAM recommended.

How big is Tekken 8?

Tekken 8 requires 100 GB available space.

Does Tekken 8 run on Mac or Steam Deck/Linux?

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