In order to get your maps exported/printed without watermark, and won't be disturbed by any notifications but the only reminder before your subscription expires, you can subscribe XMind ZEN to unlock the full version.
1. You can subscribe on our website.
After clicking Buy Now button, you will be asked to sign in with your XMind ID, if you don't have any XMind ID, please Sign Up free.
Then choose the very package and finish payment.
2. You can also subscribe from App Store.
Please try to search XMind, and then you can find the subscription options.
When you finish your payment, you just need to launch XMind ZEN, sign in with your account to unlock the full version.