They only do 2 versions, the full $99 version, and the part disabled lite version. The binary is because the main php scripts are encrypted.
Chose binary (from binary/text/auto) in your ftp program and upload the files it says needs binary, then auto for the rest, and then change the permissions on the files it says. Your ftp program should tell you how. Make sure they're uploaded to your www or public_html directory and then follow the install instructions.