How to upgrade User License for community user?

Solution# Admin needs to follow below steps to do so:

• Open user details page for the user you want to change the user license
• Open the contact associated with that User
• Select "Manage External User" drop down button on Contact detail page
• Select "Disable Customer User"
• Then again select "Enable Customer User" option.
• It will redirect to user edit page wherein license field would be auto populated.

Hope this will help.