Because this title is still under copyright and actively sold, it is no longer considered "abandonware". You can purchase and download it through major digital storefronts:

Offers the most player-friendly version, usually bundled in the Space Quest 4+5+6 collection . GOG titles are DRM-free and often come pre-configured with DOSBox to run smoothly on modern Windows versions.

While primarily for preservation, the Internet Archive hosts digital copies for "borrowing" or browser-based play, though performance may vary compared to a dedicated install. Why Play Space Quest V?

Finding a safe and legal is easier today than it was in the '90s. This classic sci-fi adventure, officially titled Space Quest V: The Next Mutation , is a cornerstone of the point-and-click era, featuring the bumbling janitor-turned-captain Roger Wilco. Where to Download Space Quest 5 Legally