Wine is a Windows emulator running under Unix on i386 (and higher) CPUs. It is still Alpha quality; i.e. don't expect it to run your typical large MS-Windows application package, but it is definitely on its way ... To use Wine, your kernel must be rebuilt with the following lines added to your kernel config file (/sys/i386/conf/): options USER_LDT options SYSVSHM options SYSVSEM options SYSVMSG Wine relies on the configuration file /usr/local/etc/wine.conf to contain valid assignments of Unix directories to DOS drive letters, and for certain other options (see "man wine" for details). You will most probably have to to edit it, after the install ... http://www.winehq.com/