To install simply unrar the self extractor (The only file in the .rar) - Place it anywhere on your desktop. Double click the self extractor (SFX Visual Basic 6). It will unpack all the files into a folder called VB6.
Open the folder a search for a setup file (colorful figure of 8 on its side). Accept all the terms/conditions & Install it in the dir it wants to. When you are asked what you want installed (Tick boxes) - Leave as is.
It will take afew minutes to install & you will need to restart windows. Once restarted it will ask you if you want MSDN installed. say NO.
YOUR AWAY!!
You may get some small errors/warning, but its fine, skip them & you'll be perfect.