I can not upload images on the website

I can not upload images on my WordPress website, what should I do?

Answer:
To easily explain how to do, we have posted a link to a guide that shows how to upload photos on the website. You will find the guide for this and much more here.

Additionally, it may be good to know that some ‘special’ characters in the name of the image, for example….  éèáöä    It may make it impossible to upload the image.