Serial numbers are issued for Clip Studio Paint Ver. 1 perpetual licenses.

If you have issues with your serial number, please check the following.

I get an error when I enter my serial number

Please see the following page if you get an error when you enter your serial number.

The app language is determined by the serial number.

Check the first 5 characters of the serial number and use the app in that language.

An error will appear if you enter a serial number that is not valid for the language of the app.

For more information, please check the following page.

I lost my serial number

Please see the following page if you have lost your serial number.

I lost my serial number that came with my Wacom graphics tablet

Please see the following page if you have lost your serial number that came with your Wacom graphics tablet.