As the primary home for the Scream franchise (including Scream VI ), Paramount+ usually holds the streaming rights to the 1996 original. Check your local region, but this is your best bet for 4K restoration.
But the horror community is divided.
Let’s say you find a user-uploaded file called "Scream.1996.1080p.Archive.mp4." You might be tempted. But consider the risks: scream 1996 internet archive link