Tubi is a free, ad-supported streaming service (FAST). Because they are ad-supported, they are 100% legal and licensed. They have a rotating library of classic films, and they frequently host a dedicated "Elvis" section.
Pluto TV is a free, ad-supported streaming service that features a variety of on-demand movies, including some Elvis classics. You can stream: where to watch old elvis movies for free
Sign up for the trial, watch the specific movie you want to see, and cancel before the trial period ends. This is the safest, highest-quality way to watch without paying, provided you remember to cancel. Tubi is a free, ad-supported streaming service (FAST)
You don’t need Netflix or Disney+ for Elvis. Several free, ad-supported streaming services (FAST channels) have rotating libraries of classic films. These are 100% legal and require only a free account (or no account at all). Pluto TV is a free, ad-supported streaming service