When I attempt to validate I get the following message: This purchase code has already been registered. You may have an additional account. If you’re unable to locate it, contact us with your purchase code and we can take a look for you.
1] Please go to X Addons > Home and revoke the validation.
2] Please login to your account and revoke the license. https://community.theme.co/my-account/
3] After you have revoke the license, you need to re assign the license again to your site using this url: https://www.your-domain.com/. You have to make sure that url you just assign is the same as the one you have in your settings, Settings > General > Site Address
4] Go back to X Addons > Home again, and insert the license again.