The Mega-Sena is the largest lottery in Brazil, organised by the Caixa Econmica Federal bank since March 1996.

On the Microsoft Mahjong page in Microsoft Store, select Get the game (online) or Install (in Microsoft Store app). The game will download and install automatically. To launch the game, select Play.

While it does not have to be played with money, it is common for players to gamble with small amounts. A typical mahjong game could see players bet anywhere from $1 to $15.