Hi, I have Sonos SL one speaker and downloaded the Sonos windows desktop app but not getting an option to setup new system as only getting pop up with two options.
That’s correct, the PC/Mac desktop Apps had their system administrative features removed years ago and have been in ‘maintenance mode’ for a very long time. I expect to see them obsoleted in the not-too-distant future and replaced with the Sonos Web App - that too has no system administration either.
You will need to use a Sonos mobile App for system setup, as mentioned in the following Sonos system and app requirements…
https://support.sonos.com/en-us/article/sonos-system-requirements
https://support.sonos.com/en-us/article/sonos-app-requirements
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