Question: how do i renew my driver's license online in mississippi?
Answer: Go to DPS Online Renewal page.
Enter your license number, last 4 digits of your SSN, your full name and date of birth.
Pay the fee of $24.00 (for a 4 year license) and a convenience fee of $1.50. ... 
Save the receipt for your record.
Your driver's license will arrive in the mail in about a week.