https://blogs.opera.com/desktop/2023/06/opera-tab-islands/
How to use Tab Islands in Opera One Browser - Blog | Opera Desktop
how to useopera one browsertab islands
https://forums.opera.com/topic/53182/solved-can-i-have-more-than-one-browser-on-my-computer/1?lang=en-US
[Solved]Can I have more than one browser on my computer? | Opera forums
Dec 16, 2021 - Hello! I'm totaly new in Opera. I want to test Opera on my computer but I don't want to remove my browser Firefox . I don't want to have Opera like the first...
more than one