Here are the steps to enable/disable Announcement bar:
Step 1. Go to the Announcement Bar > Dashboard.
Step 2. From here, you can enable or disable the announcement bar module.
Note📝: Also, you can enable and disable it from the module settings.
Step 3. Hover over the profile icon and go to Module Settings.
Step 4. Click on the button as shown in the screenshot, and you will be redirected to the module dashboard, where you can enable/disable the module as explained in the steps above.