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Hello,
Sorry to hear you are having issues.
I'll give you a couple links to try should help you .
If you reached you limit for installs you may have to deactivate first then re activate .
LINK https://forums.stardock.com/486311/accounts-and-activation-support-faq#deactivateproduct
To get keys and activate
Key LINK https://forums.stardock.com/484254/getting-your-products-and-keys
Activating https://forums.stardock.com/486311/accounts-and-activation-support-faq#activateproduct
AzDude
Stardock Community Assistant
It appears that you are using your WindowBlinds 8 product key to activate WindowBlinds 10. To use WindowBlinds 10 you will need to purchase a key for the new version.
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