A friend of mine asked, if I can help him in changing the header image of his Joomla Page. Since I should know how to do this in any CMS, I asked him to provide me with the credentials. However, I did not find the correct menu where I could change the header image.
I also looked up tutorials on the internet on how to do this, such as, this one. According to this guide, I should go to Extensions => Modules in the admin menu and then look for Images. But I do not see Images in the admin menu of my friend's page. What is wrong? The used version is
Here is a screenshot of the Modules page: