The ruse-demo-pc.zip file you have requested: Official Demos / R.U.S.E. Demo - 1.55gb is not available. Perhaps try browsing all files for the game R.U.S.E. and upload any files you want to share or are missing. This is the only information we could locate:
Ubisoft has released a playable demo of R.U.S.E. The R.U.S.E Windows-based PC demo features a full mission (created specifically for the demo) in which players will lead the U.S. Army in battles against Germany and Italy.