chess.com daily puzzle 20211201 Fire in the hole, white to move, difficult level: Step 3 to Step 4

chess.com daily puzzle 20211201 Fire in the hole, white to move, difficult level: Step 3 to Step 4

The puzzle is not that hard. Calculation is straight-forward. I will introduce a way about how to handle any puzzle. 

My analysis: https://youtu.be/NJ71PYMjBVA