How to I load a different version of Ubuntu

[Frank Van Damme]

2013/4/20 Dallas KD4HNX <mylastname at yahoo.com>:
> I downloaded both 12.10 and 12.04.2 LTS...  I installed 12.10 and it works
> but I wanted the LTS version...
>
> If I put in the DVD with the ISO image will it prompt me to blow away the
> 12.10 version and install the LTS one


Downgrading is rarely supported, with any operating system. You will
have to blow it away, but maybe there is something you want to keep
from your current installation? You can for example always transfer
your /home.

--
Frank Van Damme
"My new computer came with Windows 7. Windows 7 is much more user- friendly
than Windows Vista. I don’t like that.”
    -- Sheldon Cooper, The Big Bang Theory