How to check the RAM type DDR3 or DDR4 in Windows 10

Can we put DDR4 ram in DDR3 Slot or DDR3 1600Mhz ddr4 in ddr3 slot Your system is only compatible with DDR4 memory The layout of the pins on a DDR3 modules are completely different to that of a DDR4 module You ddr4 in ddr3 slot CPU Support: 10th Gen Intel Core Processors · RAM Support: DDR4 2933 MHz · Graphics Output: HDMI, DVI-D, D-Sub · 4 SATA3, 1 Ultra (PCIe Gen3 x4 &

ddr4 slot I install the ddr4 ram it had before and it powers on, fans start, ok lights up, monitor turns on but has no visual and turns down