Go to the Transport for London (TfL) website—yes, the same place you go to check why the Northern Line has a “signal failure” again. Fill in the form with your details. It’s surprisingly straightforward, like ordering a pizza but with fewer pepperoni options.
How to Apply for a 60+ Oyster Card - YouTube
You’ll upload your photo, type in your address, and then pay the £20 fee (as of writing). That’s it—no blood test, no interview about your favourite bus route. They just want your money and your face.