Just downloaded Dorico new version but does not open

It says : this DAC has already been used by another user…please contact tech support…
I cannot reopen my Dorico !
What to do ?

Have you already used the Download Access Code? Have you installed Dorico before?

Yes I did to start the application after paying and downloading it !I have just written to the help center and will contact them by phone…it seems i need a new DAC!
any other solution ? thank you for responding!
bruno

Watch this video, which explains what you need to do.

If that doesn’t work, pleas explain in lots of detail what steps you have done; where it goes wrong; what happens, along with any error messages.

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