Evilspeak

In this 1981 horror film directed by Eric Weston, a bullied military academy student named Stanley Coopersmith, played by Clint Howard, discovers a way to summon demonic forces through a computer. As he delves deeper into the occult, the supernatural powers he unleashes begin to exact a terrifying revenge on his tormentors. The film is notable for its early use of computer technology as a plot device in the horror genre. You can watch it for free on Soap2day.