Use the "Bridge Commander Universal Tool" to unlock widescreen resolutions.
You can still find original CD-ROM copies on secondary markets like eBay, though these often require community patches to run on modern hardware. Essential Community Mods star-trek-bridge-commander-pc-game-free-download
While searching for a "free download" of often leads to unofficial abandonware sites, the most reliable way to play this classic today is through its official modern re-release. The Legacy of Bridge Commander Use the "Bridge Commander Universal Tool" to unlock