Is Bitdefender Total Security 2012 offers free trial version for customers to test first its efficacy?
YES. Bitdefender Total Security 2012 has free trials. There are some ways to download a trial version. Here are two ways:
I have Bitdefender 2012 and I did try it out before buying. I went to this link, which is the bitdefender official site. There is a link on the left side of the page which states download a free trial. Enter your email address and go from there. There's a screenshot below. Sorry it's a bit large.