Prevent time-based copy protection circumvention? [closed]
问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 4 years ago . I have some trial software that I wish to distribute to clients. I want the trial based software to stop working 30 days after installed. A simple check of the system date in the software is the most straightforward way to achieve this, but couldn't a client easily circumvent this