Can we install DDR3 and DDR4 RAM in DDR2 RAM Slot

Can we install DDR3 and DDR4 RAM in DDR2 RAM Slot can you put ddr3 in ddr4 slot This video gives you answers of: ○ DDR4 in DDR3 slot ○ DDR3 1600Mhz in DDR3 1333Mhz can you put a gen 4 ssd in a gen 3 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

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canada slot That's doubly true now that Intel's 12th- and 13th-gen motherboards can use either DDR4 or DDR5 RAM, and AMD's Ryzen 7000 processors made the if its possible Run DDR 2 with DDR3 in one MB together or not I