Don't complicate matters - 1) use the torrent to download, 2) download the DVD (you only need the CDs if you have a specific reason to use them instead of the DVD).
Download the DVD iso, use md5sum to confirm the checksum, then burn to a DVD at the slowest possible speed your burner supports.
Put the disk in the drive, and boot from it - be aware that by default it will wipe everything on the drive (not just partition) that you point it at.
You do not need to download Kubuntu, and 0804 and 0810 are not relevent to LMCE at this point. Just download the DVD - everything is on that.