Links to download newest GZM 7 are here. You need to get both the 7.00 from the first post and the current patch from later posts (it's 7.03 as of now).
GZM requires a Russian version of Blitzkrieg, patched to v 1.2.
The game can be found there (unpatched Russian v 1.0):
The patches are here (both v 1.1 and v 1.2):
Old version of GZM (5.55M) is here: