Microsoft’s $75 billion acquisition of Activision Blizzard cleared its final U.S. regulatory hurdle as the FTC dropped its challenge, capping a nearly two-year legal battle.

After losing key court fights, the FTC is moving on from its effort to undo the biggest gaming acquisition in history.

The Republican-controlled Federal Trade Commission is abandoning a Biden-era effort to block Microsoft’s purchase of “Call of Duty” video game maker Activision Blizzard.