[oigursh]

Do you just paste?

node["highway"="bus_stop"]({{bbox}});

It does nothing on my city.

[habi]

Use the 'Wizard' on https://overpass-turbo.eu/, paste "highway=bus_stop in $YourCity" and click 'Build and run query'.

This obviously only works if there are mapped bus stops in $YourCity in OpenStreetMap.