I get a message saying “The activation code you entered has already been registered.”
To use the app, you just need to launch Clip Studio Paint.
Preparation
Download and install the app from this page according to your product:
After installation, follow the steps below.
Windows/macOS
1. Launch Clip Studio Paint by double-clicking on its icon.
2. Tap Draw or PAINT to launch the Clip Studio Paint app.
3. On the Getting Started with Clip Studio Paint screen, tap I already have a license / I have signed up for the free offer.
4. Log in to your Clip Studio account.
5. The license will be automatically authenticated and Clip Studio Paint will start up.
Note:
When the license list shows, select the appropriate license and tap Activate or Deactivate and launch on this device.
Windows/macOS: If you see the message, “This version cannot be activated with the current license.”
If you see an error message saying, "This version cannot be activated with the current license,” then this means that you have installed a different Clip Studio Paint version than the one for your license.
Please install the version that corresponds to your license with the steps on the following page.
Tablet/Smartphone
1. Tap the Clip Studio Paint icon to launch the app.
2. Select Use existing plan.
Tablet
Smartphone
3. Log in to your Clip Studio account.
4. The license will be automatically authenticated and Clip Studio Paint will start up.
Note:
When the license list shows, select the appropriate license and tap Activate or Deactivate and launch on this device.