If u know please tell me how can I make my project to run for some speacific period. I mean to say that I want to make my project as trial version it should run for specific period. I don know how to do it.I tried to search on some site but i dont know how what queary i have to type for that.
I was try to search on validation but that result was diffrent.
if u know any websites for that please tell me.