If you use a Roku device, you can find it listed in their free-to-watch library.
Directed by Jack Sholder, Arachnid centers on a rescue mission that goes horribly wrong. Arachnid (2001) - IMDb arachnid 2001 full movie download
You don't need to look for shady download links to see the film; several major platforms host it for free (with ads) or as part of a subscription: If you use a Roku device, you can