You can download PaintTool SAI on the SYSTEMAX website. Since the price of PaintTool SAI is subject to conversion rates, make sure to check the current conversion rate for the currency you are purchasing with against the Japanese Yen.
You can use VISA, Mastercard, JCB, and Paypal to purchase PaintTool SAI. It is a one-time purchase with no subscription or in-software purchases. One software license of PaintTool SAI is 5500 JPY, or approximately $52 USD. How Much is PaintTool SAI & Where to Download It
