Yes in the official site of Instaforex, they mention to all users to use latest version of MT program which is called MT5.
In MT5, It is an advanced user interface for trading in Forex which will allow the forex traders to analyse the trade with graphs ,analysis, charts etc. It's Knowledge must be known properly before using this program because trust me , it will require time to learn everything about MT5 commands. If you cannot use it, then continue with MT4 which is easier for most of the users and its recommended too