How to Install DDR4 Memory on the Motherboard?

Can we put DDR4 ram in DDR3 Slot or DDR3 1600Mhz ddr4 slot The DDR4 standard allows memory modules up to 64GB Whether anyone has ever made a module that large or a memory controller that can support ddr4 in ddr5 slot Up to DDR4 3200 MTs; Max # of Memory Channels 2; Max Memory Bandwidth GB The socket is the component that provides the mechanical and

ddr4 and ddr5 same slot No DDR4 stands for “Double Data Rate Fourth Generation”, so the 4 at the end of DDR4 stands for “fourth generation”, the same as DDR3, the 3