You could try looking on Hulu or HBO Max. Sometimes they have a wide range of movies, including Scary Stories to Tell in the Dark. Another possibility is to see if your local video store has it available for rent or purchase.
You can watch it on some popular streaming platforms like Netflix or Amazon Prime Video.
One option is to check your local cable TV channels that might have it in their programming. Also, some online movie rental services might offer it. For example, iTunes or Google Play Movies.