Testing Copy

I am interested in purchasing this software for a client. However, I need to test it before rolling it out on their web site. Can I install to my test LAN, get it working, and then roll it out to their hosted site if I prove that I removed it locally? My client does not have a test-qa-prod situation, it is just production and I can't risk bringing down their site while I play around with building their forum. Please advise as I am sure you have had this question before from independent developers.
Thanks!

Yes, there is not any problem license-wise. Once you finish testing, you can use DTS to export the database to your client's site and follow the instruction here to rename your forum directory: http://www.aspplayground.net/forum/m_374996/tm.htm