1 - Download and install the game, if not done already.
2 - Start the game.
3 - Using the ordering screens within the game, select 'Buy Now' then select 'Quick Pay'.
Buying this game for a friend...
1 - Follow steps 1 and 2 above.
2 - Select 'Buy Now' and then select 'Pay by Web'. You are given the option to 'Give this game as a gift'.
Downloading Clash 'n Slash Full Version
If not done already, download & install the game from here so you can start the game from your computer's desktop...