text: i need serial no for bitdefender antivirus plus v10.? anybody got it? if not where it can be found? use one of the free anti virus instead, then download the free bitdefender to act as a second on demand scanner. http://www.comodogroup.com/  - comodo security suite. http://www.grisoft.com/doc/1 avg anti virus or http://www.avast.com - avast antivirus   http://www.ewido.net - avg(ewido) anti trojan. http://www.lavasoft.com - ad-aware se personal anti adware http://www.safer-networking.org - spybot search and destroy anti spyware  problem is, if anyone else gives you their key, bitdefender notices that there are two pc's using that key - so both of them are blocked from updating.