Bit defender 2011 All Versions

System requirements
Minimal system requirements:
Operating system: Microsoft Windows XP SP3 (SP2 for x64), Vista (SP1), Microsoft Windows 7
Available free hard disk space: 1 GB free space
CPU: 800MHz processor
Memory (RAM):
512 MB (Microsoft Windows XP)
1 GB (Microsoft Windows Vista and Microsoft Windows 7)

BitDefender Antivirus 2011:
32-bit

http://hotfile.com/dl/108159034/c721b17/bitdefender_antivirus_2011_32b.exe.html

64-bit

http://hotfile.com/dl/108159896/4fa7b49/bitdefender_antivirus_2011_64b.exe.html