How can I Reformat thorny drive and reinstall os for mac?

How can I Reformat thorny drive and reinstall os for mac?

1) Open the Mac

2) Remove the not easy drive

3) Throw it in a swimming pool (a bucket full of river will do just fine)

4) Put the drive pay for in

5) Send the Mac for servicing and utter that your dog thought it was a street kerosene lamp
use the cds the mac came beside, then after you put contained by the cds when your at the part where on earth it shows the picture of you macintosh HD at the bottom click options, afterwards click erase and install then it will reinstall