MySQL Workbench for Mac OS X is distributed as a DMG file. The file
is named
mysql-workbench-oss-,
where version-osx10.5-i686.dmgversion is the MySQL Workbench
version.
To install MySQL Workbench on Mac OS X, download the file. Double-click the downloaded file. You will be presented with the installation window.
Drag the MySQL Workbench icon onto the Applications icon as instructed. MySQL Workbench is now installed.
You can now launch MySQL Workbench from the Applications folder.