Samsung has a new version of their Magician software available on their downloads page. It has been updated to version 4.9, which adds support for the Samsung 750 EVO SSD, the 750 being a value oriented SSD that is currently only available to the Japanese market. The Magician software is a free download for Samsung SSD owners.
You can visit the Samsung SSD downloads page here, where you will find both a download link for the .exe file for the Magician 4.9 software, and right below that is a .pdf download for the user manual. You will find these at the right lower portion of the downloads page.