it's normally considered to be shouting if you type in upper case, and may be part of the reason you've not had much response from some Forums.
If you click here you will be linked to the distribution Company for Ubuntu which is a well supported version of Linux. If you choose ver 6.06 Dapper Drake it will be free (no P&P either) You can run it from the disk to try it out or install. Bear in mind it will be much slower running from the CD. The install is pretty much like Windows and if your PC is reasonably new it should recognise most if not all of the hardware. You just sit back and let it run.