OK GUYS EVERYBODY LOOK HERE
Install Epic Games Launcher in wanted drive (D: if your C: is full) (I think it isn’t necessary)
Open Epic Games Launcher click on gear icon at upper right corner left from minimize THAN
in pop up window CLICK ON Edit Vault Cache Location AND ALMOST DONE in next pop up window
JUST CLICK Reset and Apply or (change C: to wanted drive in this case D:) AND that’s it.