The laptop did not come with an OS, i got all the drivers for xp from the support page below: -

http://www.samsung.com/in/support/detail/supportPrdDetail.do?menu=SP00&prd_ia_cd=1402&prd_mdl_cd=NP-RV509-A07IN&prd_mdl_name=NP-RV509I&srchword=NP-RV509-A07IN

I have installed the ones listed under windows xp.