Try-before-you-buy software distribution and marketing system

摘要: A computer-based system is provided for demonstrating software programs to a potential purchaser and gathering marketing information related the demonstration of programs. The enables execution upon selection by user, allows user subsequently operate or sample selected program. maintains program in locked state prevent unauthorized duplication program, selectively disables sampling, such as when completes sampling if detects that attempting copy sampled application. code generated identifies one more particular contains relating which applications were how many times they sampled.