If you have 8GB of RAM or less, check the "Limit installer to 2GB" box to prevent the installation from crashing your system.
If you are installing a repack, follow these steps to avoid the "stuck at 99%" or "missing DLL" errors: download-assassins-creed-unity-v1-5-0-fitgirl-repack
It is widely considered the most "fluid" movement system in the series, allowing for upward and downward traversal that hasn't been replicated since. If you have 8GB of RAM or less,
Usually bundled with the Dead Kings expansion, Revolutionary Armament pack, and various pre-order bonuses (Ulcay, Secrets of the Revolution). Revolutionary Armament pack
Temporarily disable Windows Defender or your third-party antivirus. Repack "cracks" are often flagged as "False Positives."
This included expansion adds a darker, gothic atmosphere to the game, set in the underground catacombs of Saint-Denis.