Acropolis experience was wonderful, but hugely improved for me by going to the nearby Acropolis Museum first for unlimited background information. If you can't do that, buy the alternative GYG package which includes the phone audio guide. I bought this package (without audio guide) before realising the other one existed, but GYG were unable to add the audio guide or cancel and refund this package, so I didn't have an audio guide. But going to the Museum first gave me all the context I needed. Superb!

A visit to the Acropolis is an absolute must when visiting Athens! Admission using the electronic GetYourGuide ticket worked without any problems. Allow about 1 hour for the tour and start it as early as possible. It is not too warm then and the buses with the package tour groups have not yet arrived. At this time you only share the plateau with a few other visitors.

Look at a few documentaries beforehand and then simply book the ticket. Entry is easy with the gyg app. We don't like a tour. Since you have no time to let everything work on you. It's more for stressies. Very interesting what has been done on the Acropolis since the EU times. Very important: If you want to leave the hill again, definitely go left. Or even better: choose the entrance from the Acropolis Museum. So not to the museum but with your back to the museum - the Acropolis in sight. There is an entrance (keep a little to the right). So you get the dimension of this restoration project bit by bit. It is a task of the century. The "Self-guided virtual reality tour" is very helpful. VR glasses are included in the price (the app is 1.2 GB in size!). The shop is in the street behind the museum on the left.