okay neglect the video editing request and go for gamesYou are asking for miracles. Sorry can't do miracles. Might as well talk to a Prophet.
For 50 USD you wont succeed. GPU and ram needs to be upgraded as a minimum. Even if buying used parts, I dont think you can keep it below 50 USD to get a minimum of a 750ti GPU or better and 8 GB of ram.okay neglect the video editing request and go for games