Before you could initiate online assistance session you need to download and install remote desktop software on the computer that requires support. There are a number of options available and you need to pick the software that suits your purpose. While some software requires a free account others demand user at the client computer or the remote computer. The remote client software needs configuration to be able to proceed with the online remote support session. You will see that some support programs are designed to operate post the receipt of a computer access code. It also requires password setting. In other cases the support program needs to be run by someone sitting at the remote computer. Such kind of software generates a number for the person tendering the support, enabling the software to work.