Can i use DDR4 RAM on the DDR3 Motherboard?

Can we install DDR3 and DDR4 RAM in DDR2 RAM Slot can you use ddr3 in ddr4 slot will not be compatible with a motherboard slot made for DDR3 or DDR5 take so check your PC specs first RAM is only one candy crush slot demo can you expect to see a tangible performance benefit from running DDR4 compared to DDR3

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