The Home version allows you to use the program for personal purposes only. If you want to use the program at work for your corporate needs, you need the Office version. If you want to provide data recovery services to third parties, you need Business version. Each license allows you to use the program on one computer. By purchasing the Hetman Data Recovery Pack you get the opportunity to use all data recovery utilities with a huge discount. An Unlimited license allows you to use all the company's products on an unlimited number of workstations within the same organization. All features of the programs are currently available in any version. However, the company reserves the right to limit the functionality of its products in the future.