The Starter Edition is designed to give you a taste of the gameplay and atmosphere without a time limit, though it does have content restrictions:
: Since Diablo III is an "always-online" game, pirated versions often lack the ability to save progress, access multiplayer, or receive critical updates. Is It Worth Buying? diablo-3-download-free-pc-game
: Install the Battle.net desktop client on your PC. The Starter Edition is designed to give you
The official way to play for free is through the desktop app. Here is the process: diablo-3-download-free-pc-game