Avast Pro Security keyfile

I  am going to upload a keyfile of avast PRO antivirus which is valid till December 2013. First of all you need to install avast Pro security and download the keyfile from here. After installing avast PRO antivirus you need to open the file from winrar or 7-zip and then double click the license file now. You will be prompted if you want to install with this key file or not. Now click the Yes button. Done now you can enjoy internet security up to december 2013. Enjoy and subscribe for more. Please link us by going to link exchange page, if you liked it.