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In order to unlock OSCulator, a license must be installed. This installation process is called an “activation”. The quantity you specify during purchase corresponds to the number of activations you need.
Individuals often need to install OSCulator on two machines, e.g. a desktop and a laptop. For this reason, one additional activation is offered free of charge regardless of quantity during purchase. For instance, 1 licenses includes 2 activations, 1 paid +1 free. 5 licenses include 6 activations 5 paid +1 free. 20 Licenses includes 21 activations 20 paid +1 free.
Basically the most obvious choice is to purchase the latest version, that is, OSCulator 3. If you have specific compatibility requirements though, then you should choose the version corresponding to your macOS install.
OSCulator 3 is the latest major version. Amongst many improvements, the main one was to add compatibility with macOS 10.12 Sierra. For a full description, please read the original announcement. You can purchase OSCulator 3 here.
When you purchase OSCulator 2, you are eligible for a free OSCulator 3 license, Please contact customer support to redeem your license.
Please contact our customer support: firstname.lastname@example.org.
Sure, just send an email to email@example.com, with details about your original purchase like the order number. It looks like WIL70101-1234-12345.
That means that the license has been activated too many times. It happens sometimes when the hard drive is formatted without prior deactivating the license. Again, just send an email to firstname.lastname@example.org and we'll quickly sort this problem for you.