If you want to play Assassin's Creed II safely, it is frequently available at a very low cost through official channels:
Websites offering "free full versions" of paid games like Assassin’s Creed II (originally released by Ubisoft) are almost universally unauthorized. These sites often use search engine optimization (SEO) tactics—like the hyphens in your query—to lure users into downloading malicious software. Assassin-s-Creed-2-PC-Game-Free-Download-Full-Version
: The game is included in Ubisoft+ , a monthly subscription service that provides access to the full library. If you want to play Assassin's Creed II