1st find the video you want on Youtube... Highlight and copy the letters & numbers that show up after the = sign, by dragging your mouse over them, while holding down your left mouse click. Once it's highlighted press the Ctrl & C keys on your keyboard to copy OR right click your mouse and select copy from the drop down box...
Then...
Next...
And...
Finally...
Bingo!
KC & The Sunshine Band - That's The Way (I Like It)