If your budget is zero, consider:
: Repacks are designed to compress massive game files into smaller, more manageable downloads. The R.G. Mechanics release typically includes the full game—often with all DLCs and updates—while significantly reducing the installation footprint. Assassins-Creed-III-RePack-RG-Mechanics
It allowed players to download the game significantly faster than the official uncompressed release. If your budget is zero, consider: : Repacks