I signed up for a monthly usage plan, but haven't received a serial number or activation code - Clip Studio Official Support
When I verify my serial number, I get a message telling me the serial number is incorrect. - Clip Studio Official Support
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What is the difference between a serial number and an activation code? - Clip Studio Official Support
Is there any way to check the Clip Studio Paint serial number that came with my Wacom graphics tablet? - 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
What is the difference between a serial number and an activation code? - Clip Studio Official Support
Ver. 1: How do I start using Clip Studio Paint after purchasing a Ver. 1 one-time purchase license? - Clip Studio Official Support
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