Do u have asus s400ca?

Asus S56CM-XX276H
i7-3517U (Quad Core)-1.9GHz (Turbo up to 3.0)/4M
15.6 HD(GL,LED)
8GB DDR3 (4G*2) 1600
1TB 5400R SATA+24G SSD
NV GT635 2GB DDR3
8xSuper Multi-Dual
802.11b/g/N(ASUS)
4 Cell 2950mAH
Windows 8 (64-bit)
RM2669

Asus S550CM-CJ048H
i5-3317U (2 core)-1.7GHz (Turbo up to 2.6)/6M
15.6 HD(GL,LED)
4GB DDR3 1600
500G-5400rpm SATA+24G SSD
NV GT635 2GB DDR3
4 Cell 3000mAH
Windows 8 (64-bit)
RM2389

Do you have the s550cm i7 model?
Is this both model above is w8 multi language or single language? Can it be change to other desire language without formatting the laptop?