Already in Russian Beta
This is from their recently launched English Forum
Hooray! The English version of the forum running.
Launching the English version of the game client, not have to wait a long time. Launch of English version of the game client, devs planning during the month.
We look forward to this significant day!
PC System Analysis For S.T.A.L.K.E.R. Online Requirements
Your PC will need a graphics card thats as powerful as a GeForce 9800 GTX/Radeon HD 3870 and it should be paired with either a Athlon 64 3000+/Pentium 4 3.0GHz CPU to match the S.T.A.L.K.E.R. Online recommended system specs. This PC setup will deliver 60 Frames Per Second on High graphics settings on 1080p monitor resolution. System memory required for S.T.A.L.K.E.R. Online is 2 GB performance memory. You should also have 2 GB system memory for min specs. You will require a DirectX 9 GPU. Recommended needs around a 11 year old PC to run.