Download for Windows Messenger 4.7 build 3000 or 3001?

[rotjong]

XP Pro SP2 came with the update to build 3000 and a security update later updated Windows Messenger to 3001. I'd like to install and experiment with the newer 5.1 release but I'd like to revert back if I decide to.

Is there a standalone installer for either of these 4.7 versions on the web? I've already looked and haven't found any which is why I am asking here.

rotjong

 

[rotjong]

I have the full install of build 2009 and there is the security update which I would assume updates Windows Messenger to build 3001. This is correct, right?

rotjong