How to reactivate whatsapp free after one year ?

So wanna reactivate your whatsapp free because your 1 year free subscription expire so follow the steps given below :

Step 1: First of all open your whatsapp app in your mobile phone.

Step 2: Now go to Setting tab.

Step 3: Now Select Account setting.

Step 4: Now go to Delete my account Section.

Step 5: Enter the Number you want to reactivate the click DELETE MY ACCOUNT given below.

Step 6: Now delete the whatsapp folder from the Internal memory of phone and reinstall it again then make a new account using same number you see your number is again reactivated for 1 year free subscription.
Thank you !!