Avast company located in Prague, capital of Czech Republic is one of the largest and oldest companies engaged in producing security products, the company began in 1988 with ALWIL Software and managed several consecutive years of numerous awards, including the best anti virus since it does not own.

Company Avast various products, each designed for a specific purpose, in general, the company has 4 sets of software called the Avast Free Antivirus and Avast Pro Antivirus and Avast Internet Security and Avast Premier is just another in a series of security features are different, in this article we are going to introduce the various products of the company. 
Key features of security products company Avast:
- Ability to identify and eliminate a wide range of malicious files
- A powerful Firewall and control input content from the Internet to the system
- Protection from network shared household and institutional
- Prevent the entry of fake sites such as banks,
- Have the ability to search and detect emails infected with malicious files
- Automatic blocking of the weaknesses of software installed on the system
- Permanent and irreversible elimination of secret information
- Advanced electronic banking security
- Ability to operate automatically without user intervention and wings Photo


The unique features of this software:
- The Intelligent antivirus & anti-malware: combining adaptive and behavioral methods in the detection of malicious files that the Mac that allows even the newest user to identify and destroy infected files.

- Technology Home Network Security: Avast company attaches great importance to the security of home networks and measures for its very well thought out, so you can safely use their systems network, without having to worry about being infected by any of your systems, it that Avast technology makes all exchanges within the network are under the armor.

- The Browser Cleanup: This feature allows additional extensions, the ad will clear your browsers of the future and annoying.

- Technology Anti-hijack: The technology to detect false and fake pages gives you the assurance that your information only and is not a bank in the trap of false pages and sites of the session.

- Technology Anti-spam: the intelligent application of technology to search for deals and received emails and warns the user to detect any spam emails in traps and tricks Nyvftd unrealistic.

- Technology Automatic Patching: It's technology can influence the weaknesses and other applications on the system will automatically block until there is no loophole in the system, plus the automatic update feature makes the other software installed on the system to the newer software and the possible security problems resolved.

- Ability Shredding: This feature allows the user to set their own personal information in emergency situations can destroy forever and no way back for them to leave.


Compare different versions of the program:
- Version of Avast Free Antivirus:
This version of the program is completely free and can be used without any restrictions, and only 3 of the following:
1. The powerful virus detection engine company Avast
2. Home Network Security Technology
3. Browser Cleanup capability

- Version of Avast Pro Antivirus:
This version of the program in addition to all versions of Avast Free Antivirus following additional features are:
4. The ability to protect and encrypt electronic banking pages Username and Password are
5. Anti-hijack technology

- Version Avast Internet Security:
This version of the program in addition to all the features the following additional versions of Avast Pro Antivirus are:
6. a powerful Firewall and security against incoming data from the Internet
7. Anti-spam technology

- Version of Avast Premier:
This version of the program in addition to all the features of Avast Internet Security provides the following additional copies is:
8. Automatic Patching Technology
9. Ability Shredding


 Compare the features of the software:
 Software Size: installing a relatively large file size and download with high-speed services will be easier.

 The amount of space required software: This software is for installation only requires 2 GB of free space that is suitable for security software.

 Updates of software updates of this software is very high (every 6 minutes) but occupies a very small volume.

 Storage feature updates downloaded by the user: No, this is not possible.
 Updateable software offline without internet: Yes, it is possible.
 Search USB Flash automatically after connecting to the system: No, this is not possible.

 Compatibility with different versions of Windows , this program even in its most recent version of Windows XP and Vista, 7, 8 and 8.1 support.

 The use of system resources. This software not only to the limited resources allocated but almost no effect on the efficiency of the system and does not slow down.

 Activation of certain software: so far no definite crack for this program has been published and the only way to buy it is legally licensed.