Attention:
SiSky 1.x users can enjoy the free upgrade to 2.0. Please follow the steps to reactivate the software.
1. Remember the existing activation code so as to get a new one from Yeastar.
2. Please uninstall the existing version 1.X before installing 2.0.
3. Restart computer and then enter the new code to activate SiSky 2.0





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