"Zettai Sokusenryoku Typing Master (Disc-less)" Manufacturer's Suggested Retail Price: 8,424 yen (tax included) Compatible with the latest Windows and Mac OS. Also, the displayed keyboard will correctly show the Windows or Mac version depending on your OS, so you won't feel stressed during practice. [For Beginners to Advanced Users] The "Home Position" practice explains which finger to use for which key with easy-to-understand colors and visuals. [Useful Typing Problems] A wealth of problem texts are prepared, from "Word Practice" to "Easy Sentences" and "Practical Practice." Furthermore, as a bonus for purchasers, we have prepared [essential practice problems for new employees and students seeking employment]. Business words / Accounting terms / Correct Japanese / Business manners / Business writing / Thoughtful emails / Good luck charms / Elements of popularity, etc. Brand new, unopened product. This is a disc-less installation version. 3 in stock."