How many Craig's does it take to change a light bulb

I know I am not a very practical person. There are certain realities, but I do think I can do simple basic things, but last weekend I reached a new low. There are three very high light bulbs in my flat. I have to use a step ladder to change them. Last Sunday I tried and failed to change any bulbs. After half an hour I did manage to stick one in the socket, but the light fell to the floor after 10 minutes. I just don't understand how this type of bulb fits in the socket.

I couldn't find any information on youtube either.  I am a failure.