How to use ubuntu- as Live CD

I am planning the upgrades of my MYTHTV box and laptop from 16.04 to 20.04 via 18.04. I have downloaded the .iso images for both release, burnt them to DVD, and tried them on the laptop prior to upgrading the MYTHTV system. the 18.04.5 was fine but the doesn’t seem to have an option to use as a LIVE CD. Am I missing something or is there an alternative image?

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Author Of this post: PaulRSte
Title Of post: How to use ubuntu- as Live CD
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