Looks like it should be:
http://www.microsoft.com/windows/co...Utilities&sc=File%20Conversion&os=32-bitBut I have zero experience with win7 thus far...and this was the 1st time I'd ever tried the K-Lite codec program.
If it causes you any issues you should be able to simply un-install it.
Might create a Restore Point just to be safe
But MS is saying it's compatible.
Good luck, hope it helps you!
Keep us posted