1) Download the Linux live CD image
Most distributions have a site where you can download the Linux installation CD in the form of an "iso" or "img" file. The Linux Mint live CD image is around 700 Mb and may take a long time to download. The download page for the Ubuntu image is here and the one for Linux Mint is here. You can download the image file by clicking on the direct download link, but if you have a bittorrent client on your computer you are better to download the torrent version of the live CD image. Some distributions like Mandriva or the Linux Mint Universal edition also come as live DVD images. These include more software and / or languages on the disc, but the image takes a lot longer to download. I suggest you only use them if you need to install Linux in a language not included on the base CD as the other software can be downloaded afterward anyway.
2) Burn the Linux live CD Image with Nero
I will assume that most of you are currently using Windows. The most popular CD burning software that I know of is Nero Burning Rom, so I'll explain how to burn the image with that software first:
- Put a blank CD in your burner.
- Start Nero express

- Select that you want to burn a Disc image or saved project.

- Browse to your Linux live CD "iso" image (here it is Linux Mint 7) and click "OK".

- Check "Verify data on disc after burning" and click "Next" to start the burn.

OR
3) burn the Linux image with a freeware CD burning program.
If your burner or computer did not come with Nero, you can still burn the Linux live CD image you downloaded. First try to look in your current CD burning software to see if there is an option to burn an disc image. If you can't find any you will have to download and install some software to burn your CD image:
- Go download isorecorder here. Be careful to select the right download for your version of Windows.
- Once you have the msi double click to install the program.
- Put a blank CD in your burner.
- In Windows explorer, go to the folder where you downloaded the Linux CD image.
- If the file finishes in ".img" instead of ".iso" rename it so that it finishes in ".iso".
- Right click the iso file and select "copy image to CD" and follow the instructions.

Next time we'll see how to use the live CD we burned to start a Linux session and check that our hardware compatible with Linux.

