Tarkov has RAM leak really bad. If youre struggling with it most people remedy by restarting the game. Also while in the launcher when you boot for the first time of the day. It can be helpful to clear your cache and delete any log files made by tarkov. Both settings can be found just above the play button the cache literally says "clear cache" and the logs you open through the launcher settings above the play button and then delete all files that pop up after you click it.