Method 1
You still have access to the site (1 minute)
Step 1 | Access License Screen
-> On the old site, go to the license settings menu.
Step 2 | Deactivate on old (existing) domain
-> Click the red deactivate license button
Step 3 | (Re)activate the license on the new domain
-> Access the license screen inside the plugin on the new domain and enter your license again, then press activate.
Method 2
You don't have access to the site anymore (2 minutes)
Step 1 | Login into the Member's Portal.
https://members.stylishcostcalculator.com/my-account/
Step 2 | Deactivate the license
1. Click License Keys
2. Click Manage Sites
Step 3 | (Re)activate the license on the new site.
-> Access the license screen inside the plugin on the new domain and enter your license again, then press activate.