For respondents to take your survey, it needs to be opened. Survey status is managed on the Publish tab via the banner at the top of the page.
The banner displays the current status:
The survey status is also displayed as an indicator in the builder's top navigation and on the project card in the Projects list.

The status banner on the Publish tab
Click the Open survey button on the banner. The system will ask for confirmation — make sure you have set up questions, logic, and design before launching.
Once opened, the survey becomes available via link, QR code, and other distribution tools.
If you open a survey that already has collected responses, the system will offer two options:
Click the Close survey button on the banner. After confirmation, the survey stops accepting responses — respondents who follow the link will see a page with a message that the survey is unavailable.
Closing the survey does not delete collected data. You can reopen the survey at any time.
The status banner appears not only on the Publish tab: