You can download purchased font package from Download Oasis. They are as zip packages. After ordering you'll receive information about the download page, user ID and password.
Instructions: the zip package must be unzipped after download. The you'll see the font and guide files. Here's Microsoft's instruction for unzipping files on Windows XP, but it's valid also for new Windows versions: http://support.microsoft.com/kb/306531. On Mac OS X duoble clicking zip archive will unzipp it automatically.
