ArchLinux...how to use one physical drive partition to install archlinux?

Need help…??

i am using window 7 @ my desktop pc, having 80gb hdd drive divided in 3 partitions…C drive 30gb and so on…,

i want to know how to install ArchLinux to my C drive...???

Do you mean to overwrite/replace Windows, or are you expecting to run Linux “inside” Windows ?