官方網頁:
http://www.avast.com/
Avast! Free Antivirus 5.0.377下載位置:
http://download.cnet.com/Avast-Free-Ant ... ?tag=mncol
Avast! professional Edition 5.0.377下載位置:
http://download.cnet.com/Avast-Professi ... ?tag=mncol
avast! Internet Security 5.0.377下載位置:
http://download.softpedia.com/dl/85f969 ... is_eng.exe