Go game software boasting the highest level of play. - Title: Tengen no Igo 7 Zen - Supported OS: Windows 10/8.1/8/7 ☆ I purchased this on Mercari, but I don't think I'll be able to use it, so I'm putting it up for sale. ☆ I haven't registered as a user, so the serial number hasn't been entered. You can use it as a new purchase.