You can make SQL beautifier toolbar visible by click menu->Tools->Customize, check SQL Pretty Printer for SSMS CommandBar. (Screenshot)
Here is another article that helpful: Customize toolbar of SQL Pretty Printer Add-In in Visual Studio
Simply head over to the Download Page and uninstall previous version if any, then install the latest Desktop Version. You won't have to re-register.
If you purchase your software by way of a credit card, the serial number was sent to you via email automatically. It usually comes very quickly, but in some cases it might take up to a few days (this happens if Paypal decides to run a routine security check on your transaction). If you haven't received your key after a few minutes, please check your spam folder, then contact us and we will look it up for you.
Yes! The license for SQL Pretty Printer is tied to you, not a particular machine. Install it on any machine you own, and enjoy!