What is the difference between a serial number and an activation code? - Clip Studio Official Support
When entering my serial number into Clip Studio Paint I get the message "Please enter your 12- or 13-character activation code." - Clip Studio Official Support
![CLIP STUDIO PAINT PRO with Bonus Brushes | 12 Months Edition | 1 Device | PC, macOS, iPad, iPhone, Galaxy, Android, Chromebook [Keycard] : Amazon.sg: Software CLIP STUDIO PAINT PRO with Bonus Brushes | 12 Months Edition | 1 Device | PC, macOS, iPad, iPhone, Galaxy, Android, Chromebook [Keycard] : Amazon.sg: Software](https://m.media-amazon.com/images/I/71RaKlNqcYL._AC_UF1000,1000_QL80_.jpg)
CLIP STUDIO PAINT PRO with Bonus Brushes | 12 Months Edition | 1 Device | PC, macOS, iPad, iPhone, Galaxy, Android, Chromebook [Keycard] : Amazon.sg: Software
![CLIP STUDIO PAINT PRO - Version 1 - Perpetual License - for Microsoft Windows and MacOS : Amazon.it: Software CLIP STUDIO PAINT PRO - Version 1 - Perpetual License - for Microsoft Windows and MacOS : Amazon.it: Software](https://m.media-amazon.com/images/I/71Un6GfnrtL._AC_UF350,350_QL80_.jpg)