avast! 4 Professional Edition Download
You can download the latest version of avast! antivirus Professional Edition from this page. From the table below, please choose the appropriate language version, and click the download icon to start the download.
avast! antivirus Professional Edition now includes anti-spyware and anti-rootkit protection built-in. Even more reason to download and try the avast! award winning technology.
Note: This product will also work as a 60-day trial version.
If you already have the latest or most recent avast! installed and would like to add a new language only or just upgrade the program to the latest edition, you don't have to download the whole program again. You can just modify installed components of avast! program via Control panel -> Add/Remove programs -> avast! Antivirus -> Change/Remove -> Change. Or select to automatically update the program (for upgrade) when prompted one is ready (this may be automatic if you have this selected in the program.)
| Download avast! 4 Professional Edition | |
|---|---|
 | avast! 4 Professional - English version (length 22.22 MB) |
| avast! 4 Professional - Arabic version (length 22.02 MB) |
| avast! 4 Professional - Bulgarian version (length 22.06 MB) |
| avast! 4 Professional - Catalan version (length 22.31 MB) |
| avast! 4 Professional - Chinese (Simplified) version (length 21.87 MB) |
| avast! 4 Professional - Chinese (Traditional) version (length 21.87 MB) |
| avast! 4 Professional - Croatian version (length 22.03 MB) |
| avast! 4 Professional - Czech version (length 22.07 MB) |
| avast! 4 Professional - Danish version (length 22.04 MB) |
| avast! 4 Professional - Dutch version (length 22.03 MB) |
| avast! 4 Professional - Finnish version (length 22.04 MB) |
| avast! 4 Professional - French version (length 22.34 MB) |
| avast! 4 Professional - German version (length 22.36 MB) |
| avast! 4 Professional - Greek version (length 22.04 MB) |
| avast! 4 Professional - Hungarian version (length 22.07 MB) |
| avast! 4 Professional - Italian version (length 22.05 MB) |
| avast! 4 Professional - Japanese version (length 22.07 MB) |
| avast! 4 Professional - Korean version (length 22.29 MB) |
| avast! 4 Professional - Macedonian version (length 22.03 MB) |
| avast! 4 Professional - Malay version (length 22.03 MB) |
| avast! 4 Professional - Norwegian version (length 22.03 MB) |
| avast! 4 Professional - Polish version (length 22.33 MB) |
| avast! 4 Professional - Portuguese (Brazil) version (length 22.05 MB) |
| avast! 4 Professional - Portuguese (Portugal) version (length 22.05 MB) |
| avast! 4 Professional - Romanian version (length 22.05 MB) |
| avast! 4 Professional - Russian version (length 22.25 MB) |
| avast! 4 Professional - Serbian version (length 22.30 MB) |
| avast! 4 Professional - Slovak version (length 22.07 MB) |
| avast! 4 Professional - Slovenian version (length 22.03 MB) |
| avast! 4 Professional - Spanish version (length 22.27 MB) |
| avast! 4 Professional - Swedish version (length 22.03 MB) |
| avast! 4 Professional - Turkish version (length 22.04 MB) |
