Visit Extreme Sample Converter and click the "Download" link. Double-click the downloaded file and follow the on-screen instructions to install it, then open the program.
Click "File" in the top toolbar and choose "Open." Navigate to the location of the file you wish to convert and double-click the file to open it in the program.
Click "Menu" in the top toolbar and choose "Destination Format," then choose "Akai S1000" as the destination format.
Click "File" in the top toolbar and choose "Save As." Choose a file name and location where you would like to save the converted file and click "Save" to start the conversion process. Files converted with the demo version of the software will have short bursts of noise added to them.