Final Cut 7 will not install with disc

Hello,

Recently I was trying to upgrade to Final Cut 7 from Final Cut 6 with a NFR copy of Final Cut Studio V3 that I had received. I went through the installation process and I saw that Final Cut Pro was "grayed out" and not able to be selected at the beginning of installation. It's stated is noted as "Skip." So I thought this might be an issue since my previous version of Final Cut had a different serial number.

So I first deleted the serial number file associated with FCP 6. When I went to enter the serial that came with my version of Final Cut Studio, it would not accept my serial number.

So I launched the installation disk and noticed that Final Cut was "grayed" out even though I didn't have the latest version.

The last thing I did was try to get Final Cut 6 off my computer so that I could re-install it. I downloaded FCS remover and got rid of Final Cut 6. So when I popped in the installation disc, I was unable to select Final Cut to upgrade. Is there anyway NOT to "skip" the installation?

Now I have no Final 6 or Final Cut 7 on my Macbook Pro.... I am very lost here -- if someone could help me proceed it would be great.