how to Prevent the Software from Multiple Installations

Submitted by vahiduddin on
Hi I have Developed a software with vb.net and ms access as db know i hv to give to one of my friend to try but am afraid he will give to multiple people and they will use it. how can i prevent my software not be installed on any computer with out my permission i hv seen some software where they can only install once after that they cant. plz tell me how can i do like this plzzzzzzzzzzzzzz Regards Adnan