Follow these steps to buy the game from its main menu:

• First connect your computer to the Internet if it still wasn't online.
• Run Wing: Released Spirits, and select Buy Now from the Main menu.
• Read the wellcome message, and press Next button.
• Then you will be greated again in the online Web Store, press the Next button.
• Read the Licence Agreement, and check if you agree, then press the Next button.
• Fill your name and address, and the required number of copies of the game, and press the Next button.
• Fill your credit card info, and press the Next button
• Confirm your order. If everything is correct, press the Submit button.
• Finally you will see the receipt, get the full version of the game, and an e-mail notification. Press the Done. button.