Ok, let`s go:
1. You must free some space on your HDD for Ubuntu (use Partition magic or something similar)
2. boot from your Ubuntu cd
3. when your Ubuntu is booted from cd, on your desktop is icon Install (or something like, i don`t remember
)
4. click on this and follow instruction
5. after 20-25 min (it`s depends on your hardware) Ubuntu is installed
6. after rebooting, choose system (ubuntu or Win)
7. taht`s it
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x. ask is something going wrong
You can see details
here!
Ch33rs