There are absolutely no operating system version dependencies in Adobe Font Folio or in the individual fonts themselves.
What is true is that native operating system support for the older Type 1 font format is waning, although Adobe applications will continue to support Type 1 fonts in the applications' own private directories for the indefinite future. This issue of non-support of Type 1 fonts is becoming more accute with Microsoft's “Metro” interface (Windows 8) and WPF/XAML-based programs. Other Windows programs including Visio and FileMaker also ignore any installed Type 1 fonts.
Font Folio 10, 11, and 11.1 add additional OpenType fonts plus compatible updates to existing OpenType fonts. Also, there are now licensing options for 5 and 10 users in addition to 20 users.
Note that Font Folio doesn't have any “installer” to deal with. One simply uses the standard font installation capabilities to install fonts on Font Folio's DVD.
- Dov