AVAST Software new updated released version for all products security of, thereby trying to make them work better with Microsoft's recent operating system, the Windows 8.1.
Avast! with the exception of its paid programs (Avast! Internet Security, Avast! Premier, Avast! Antivirus Pro), markets the totally free program Avast! Free Antivirus, which is a fairly reliable, friendly and lightweight software against computer viruses.
The 9.0.2008 version comes to fix issues with Metro apps after a version of Windows 8.1, as well as occasional problems with playing sounds on VPS.
Last but not least, the update fixes Firewall malfunctions that featured the "unsigned driver" message [unsigned driver].
Of course, all products better safetyAVAST's software also works on previous versions of Windows, including XP, Vista, 7, and 8, whether 32-bit or 64-bit.
Download it Avast! Free Antivirus 9.0.2008 from here