User manual

Installation and uninstallation
Avira Free Antivirus - User Manual (Status: 16 Dec. 2013) 15
3. Installation and uninstallation
This chapter contains information relating to the installation of Avira Free Antivirus.
 Preparing for installation
 Installing downloaded software
 Removing incompatible software
 Choosing an installation type
 Installing Avira Free Antivirus
 Changing the installation
 Uninstalling Avira Free Antivirus
3.1 Preparing for installation
Before installation, check whether your computer fulfills all the minimum System
Requirements.
Close all running applications.
Make sure that no other virus protection solutions are installed. The automatic
protection functions of various security solutions may interfere with each other (for
the automatic options see Removing incompatible software).
If necessary, please uninstall any previously installed search toolbars before you
install the Avira SearchFree Toolbar. Otherwise you will not be able to install the
Avira SearchFree Toolbar.
Establish an Internet connection.
 The connection is necessary for performing the following installation steps:
 Downloading the current program file and scan engine as well as the latest virus
definition files via the installation program (for Internet-based installation)
 Activating the program
 Registering as a user
 Where appropriate, carrying out an update after completed installation
Keep the activation code or license file for your Avira Free Antivirus handy for the
time when you want to activate the program.
For product activation or registration, your Avira Free Antivirus uses the HTTP
protocol and Port 80 (web communication), as well as encryption protocol SSL and
port 443, to communicate with the Avira servers. If you are using a firewall, please
ensure that the required connections and/or incoming or outgoing data are not
blocked by the firewall.
3.2 Installing software downloaded from the Avira website
Go to www.avira.com/download.