The new League of Legends Client consumes way too much resources & FPS

The new Client consumes too much uneccesary resources from the PC. The problem with this client is not only that it consumes too much resources but it also stays open even when the match starts while the old one was closing and it re-opened after it finished so now it's like you are running Adobe After Effects on the backround or any other of these hard-consuming programs while trying to be in the map and it is inconvnient. This solution works with closing the client while inside but it has to be re-opened every time the match ends which is tiring.
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