How do I change a private tag to a shared tag?

You can convert a tag from a private tag to a shared tag by following these steps:

1. Click the User Menu on the top right corner of the screen.
2. Click the Settings button.
3. Go to My Preferences.
4. Click My Tags. 
5. Hover over a particular record in the List View.
6. Click the Edit icon.
7. Enable the Shared Tags checkbox.
8. Click Save.

Your tag is now public.

Note: To change a shared tag to a private tag, disable the shared tags checkbox. 

To know more about Tags, click here.