1. Go to "Settings" section
Case: you've been using CoinKeeper³ for a while, but with no Platinum subscription
Please check your inbox for the email that was sent to you right after your successful purchase. That email contains your login (which is your email) and password. You can change the password later in Settings section in the app.
If you didn't receive the email, please check "Spam" or "Promo" folders.
2. Tap "Activate purchase" button
3. Enter the login and passord that were sent to your email right after your successful purchase.