How to install Avast Internet Security 2018 for Windows
Download Avast Internet Security
- Make sure you are logged into Windows with administrator permissions and check that no other antivirus applications are running on your PC.
- You can download Avast Internet Security by clicking the link bellow and save the file to your desired location (files are saved by default in the Downloads folder).
- Open the downloaded file and if needed, select Run as administrator (file avast_internet_security_setup_offline.exe).
- Select Yes (or Continue on older versions of Windows) when asked for permission.
- If you want to install Avast Internet Security 2018 in a different language than English (default), you can choose from the language button at the top-right corner of the installer screen and then click Install to proceed to the next step.
- Please be patient while Avast is installing.
- Afterwards, click Continue on the message screen.
- If you are notified to protect your mobile device, select the options you prefer and then close the window.
- You will be asked to choose a Firewall mode when the software detects a network:
- Private Network: trusted network, such as your home network.
- Public Network: shared network, such as at a public spot at a cafe.
Installation is completed and you are now ready to activate and use Avast Internet Security 2018. You may need to restart your PC in order for all components to be fully functioning. You can find the Avast user interface by clicking on the icon in your Windows taskbar or by opening the Avast Internet Security shortcut on your desktop.
- Fin your purchased product activation key for Avast Internet Security 2018 and copy it (select the code and then press CTRL + C or right click the selection and click Copy).
- Right-click the Avast icon from your Windows taskbar and select Subscription information.
- Select Enter a valid activation code.
- Click on the text box, paste the copied activation key (Press Ctrl + V or right click and select Paste) and click Enter.
- After successfully activating Avast Internet Security 2018, you will be prompted with the following message window.
- You are all done! You can find the license expiration date under Licenses on this PC.