How to install macOS 14 beta on a separate APFS Volume through the Software Update if macOS 14 has already downloaded?

Hell! How to install macOS 14 beta 1 on a separate APFS Volume on Mac? I can’t find a macOS 14 beta installer in the Applications Folder. Than yo.

Same here, what is worst is that I accidentally install it on to my main volume and it did a Time Machine backup and broke the Time Machine bundle..... lost a lot of stuff

softwareupdate --fetch-full-installer --full-installer-version 14.0
How to install macOS 14 beta on a separate APFS Volume through the Software Update if macOS 14 has already downloaded?
 
 
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