Install Wings3D and the Wings Export Plugin

Download Wings3D

Download the latest STABLE release of Wings 3D from the website.
Unstable versions may work and may have more features, but they may also be more unstable (obviously);
Follow the installation instruction;
For a downloadable manual see here;

New users use this.

Download the latest stable release (1.5a) (located here: http://vegastrike.sourceforge.net/users/pontiac/xmesh)

For Wings3D before 0.98.16:
- Extract the compressed file into your Wings3D application directory;
- Check if all .beam-files have the right permissions (chmod 644);
- Start Wings3D.
For Wings3D 0.98.16 and following:
- Start Wings3D;
- Select the [Install Plug-In] option in the [File]-menu and select the .tgz file you downloaded.

Extract the two files e3d_xmesh.beam and wpc_xmesh.beam either from the nightly download or from the expanded files in the stable .zip package.
You'll need to right-click on the Wings3d application and click [show package contents], then navigate to
Wings3d.app/Contents/Resources/erlang/lib/wings-x.xx.xx/
(where the x stands for the version);
Copy all of the .beam-files into the directory
Wings3d.app/Contents/Resources/erlang/lib/wings-x.xx.xx/lib/wings-x.xx.xx/plugins/xmesh
or wherever the plugins directory is located;
Start Wings3D.

none