You will be able to install the patch and continue to play the same game. The 2.0b patch will work with any localized version of A Bridge Too Far. Any language specific patches refer only to a localized version of the patch setup. The updated cc2.exe is the same. You can no longer deduce enemy placements during deployment mode by watching for the targeting cursor while dragging a fire line.
Dead tank sprites no longer disappear.
Dead tanks will continue to smoke. It is easier to drive a tank straight down a road. They will also be less likely to expose their side to the enemy in the middle of a move order. Tanks now can move onto the Arnhem bridge. Now they will target an area, not individual men.