details about your system and the problem on the FLStudio Groove / Groove Machine Mobile user forum
Make sure to first activate your app on our servers, be using the registration option inside your app.
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FLStudio Groove App in the Windows Store has not automatically updated, you can manually do so as follows:
1. Go to the Windows Store.
2. Click on ‘ Account ’ (top of the screen)
3. Click on ‘ My apps ...