Google Play Movies & TV (integrated with YouTube) is an excellent option for a "permanent" legal download.

The movie follows Mike Enslin, a skeptical author who investigates haunted hotels to debunk them. He checks into room 1408 at the Dolphin Hotel, despite the manager’s warnings, and faces a terrifying psychological battle.

: Unlike typical slasher films, it focuses on psychological torment, making the room itself the antagonist.