Linux Shout published a tutorial about installing the Dolphin File manager on Ubuntu 22.04 LTS.
How to install Dolphin File manager on Ubuntu 22.04 LTS
Steps given to install the Dolphin file manager for Ubuntu 22.04 LTS Jammy JellyFish can be used fors Mint, Debian, POP_OS, and more...
How to install Dolphin File manager on Ubuntu 22.04 LTS