There are two types of product keys for WindowFX:
Still stuck? Open a ticket at Stardock Support . Provide your product key (if purchased) and a screenshot of the error. Their response time is usually under 24 hours for activation issues. windowfx product key hot
Each key has a limited number of activations. If you’ve reinstalled Windows or changed hardware multiple times, you may have exceeded the limit. Log into your Stardock account, go to “My Products,” and deactivate any old or unused devices. Then try reactivating. There are two types of product keys for