How to Delete Facebook Account?
Step 1. Log in to Facebook and Access Settings:

Open Facebook and then the menu.
Click Settings & privacy. Hit Settings.

Step 2. Navigate to Accounts Center:
Under Settings, tap on Account Center.

Step 3. Access Account Ownership and Control:
Proceeding further, click Personal details and then choose "Account ownership and control."

Step 4. Initiate Deletion:
Moving ahead, click Deactivation or Deletion.
Choose your Facebook account that you’re willing to delete.
Tap on Delete Account and then Continue.

Step 5. Confirm Deletion:
Type the specific reason for deletion and confirm your password.
In the end, click on the Delete Account option.

Here’s a 5-step-by-step guide that discusses the approach. Moreover, if you want to explore more, tap on the above link.

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