When playing game press F12 then type any of these cheats below and press enter again:

Code - Effect

TRANSPORTS - Get Transports
PRESTIGE - Get Prestige
MONEY - Get loads of Money
LEADERSHIP - Get Leaders
MANPOWER - Get Men
DIFRULES - Play like a God
NOWAR - No War
NOREVOLTS - Defeat all
NOLIMIT - No Troops Limits
NOFOG - No Fog
HANDSOFF - Hands off all
SHOWID - Get Province IDs
FULLCONTROL - Total Control