All of the Acronis ® and GroupLogic ® software products ('Software') are licensed to end-users by Acronis International GmbH ('Acronis').
The standard licensing policy is based on the number of machines, either physical or virtual, which our Software is used for. A 'Machine' means a single operating environment. For instance, a Windows or Linux operating system is considered a single 'machine,' even if multiple operating systems are installed on a single computer.
Please find the full information here:
Licensing Policy: http://www.acronis.com/en-us/company/licensing.html
Licensing FAQ: http://www.acronis.com/en-us/business/licensing-faq/
Legal info: http://www.acronis.com/en-us/legal.html