How to Add Your Birthday on Twitter on a PC or Mac

Go to https://www.twitter.com in a web browser. You can use any browser, such as Safari, Chrome, or Firefox, to access X. If you aren’t logged in, type your login information into the blanks and click Log In.

Click your profile photo. It’s near the top-left corner of the screen.

Click Edit Profile. It’s beneath your cover image, close to the right side of the screen.

Click Birthday. It’s on the left side of the screen below your profile photo.

Select your birthday from the drop-down menus. They are on the left side of the screen.

Click Save Changes. It’s a blue button beneath the cover image, near the right side of the screen. Your birthday will now appear on your X profile.