[Blasterlord2]

so go where to download ah ?................i keep hearing this distro or that distro...............but what's that ah ?

can't go to Linux website to download the OS meh ?

Just read that you've never used Linux before. Then my advice is to go for Debian or its variant, Ubuntu, since they're the easiest to install and you'll get plenty of tips from many because they're so popular. 

Go to the Linux distro website to download the image file. For example, if want to install Arch Linux can go to archlinux.org, download the iso file (on the right top corner I think). I install Arch on Virtualbox so just follow the steps. Not as straightforward for Arch that's why I think you'd better go to Debian or Ubuntu for now.

But I'm curious, why you want to try Linux? If for interest or you want to make use of an old PC then ok, but if you merely want to use the 'normal' stuff then it's better to stick to Windows. IMO, Windows still offer better user experience.