: Warcraft III replays are version-locked. To watch a professional match from 2010, you must run the exact version of the game used during that match.
The Warcraft Version Switcher works by modifying the game's client to allow players to switch between different versions of the game. When a player installs the tool, it creates a new folder in the game's directory that contains the necessary files to run the game in a different version. The player can then select which version of the game they want to play, and the tool will automatically configure the game to run in that version. warcraft version switcher