: Look for a "Buy" or "Activate" button, often found in the top-right corner or under the Help menu. Enter Code : Paste your activation key into the dialog box.
: If you lose your code, you can use the Movavi Support Center's lost key tool by entering the email used during purchase. How to Use the Key Open the Software : Launch your installed Movavi program.
Difference between product key and activation code - Microsoft Support