Viruses ?

[rob_banks]

hi guys im a ex mac user so never had to worry bout virusus before

ive just intsalled windows 7 on my newly built gaming rig

so wondering what do it do about viruses

what software to buy download ?

i havent been on the internet yet as im unsure if its safe

any help would be much apprecited

cheers

p.s if theres any free software that does the job that would be great