Applications » Guide me for Avast Installation Problems

I want to install Avast antivirus, a powerful software to protect the computer system, important files, folders and details. This avast antivirus is an effective antivirus program that is used to protect your important info. But I am new to install it properly. I am facing a lot of technical troubles, so please suggest me any tech support service provider just like www.avast.com, and waiting for your reply. Please suggest me as soon as possible.