You can certainly add a password to your tour at any time. To do this, please follow these steps:

1. Login to your EyeSpy360 account.

2. Click on your chosen tour. This will open your tour editor. 

3. Click on the Details button above your donut shaped images. This will open a new window. 

4. Under the heading Protection you will see a field where you are able to add a password to your tour. Enter a password and when you're ready click the Save button.

5. In order to update your published tour with your new password you will need to republish your tour. Double click on the donut shaped image you wish your tour to start on. This will open 360 View. 

6. Position your screen in your desired starting position and then click the red Publish button at the top of your screen. This will republish your tour and update it with your changes.

If you would like to remove a password from your tour, follow the instructions above to reach the Protection tab, then click the Remove Password button. You will then need to republish your tour following the instructions above in order to apply this change to your published tour.