DAEMON Tools Net is distributed as try-before-buy application. It means:
All copyrights to DAEMON Tools Net are exclusively owned by Disc Soft FZE LLC. Anyone can use this software during the 20 days evaluation period. You will need to purchase DAEMON Tools Net if you want to continue using it after the evaluation period expires.
The minimal license includes 5 clients license and 1 data server. You can further buy additional quantity of clients or data server via your account. Upgrade period is Lifetime. It means you pay for the program only the first time and get all new versions for lifetime and for free.