You do it the same way on both. The headlight has a chromed trim ring around it. It's held on with one screw at the bottom. Remove the screw and pull off the ring. The lamp itself is held on with another ring that's attached to the car with three screws. Remove all three and the ring will come off, followed by the headlight.
Being old is usually what does it. If new headlights burn out, do a voltmeter check. If the voltage is much over 14, your voltage regulator is fried.
The super beetle was not put into production until 1971, there is no such vehicle as a 1964 super beetle.
decode vin 1973 Volkswagen beetle
A 1963 Volkswagen Super Beetle
1963 Volkswagen Super Beetle
1600cc carburated
.028"
I bought a 73 super beetle, sport bug and it was aprox 1800.00
The Super Beetle has a slightly longer body (front end) and more modern McPherson front suspension instead of the torsion tube type.
They began production in 1970, and the first SuperBeetle was released in 1971.
Call a locksmith he can make you one on the spot.
Figure $350 for a rebuilt unit, $100-150 to install.