Remind you, that 123 Free Download doesn't have any relations with this software . Our site contains the link to site of this software's author only. All questions about working, buying full versions and payments have to be addressed to author of this software.
Dealing with requirements is the most important factor in achieving successful agile development. The reality of software and system development is not always easy, it can be hard to elicit requirements. objectiF RPM is a great help.