You can include a range of skills you possess: IT skills, language skills and other skills you consider to be important for the job. All IT skills should be listed, starting from Microsoft Office package, ending with all video editing, statistics software. It should be stressed that if you are highly proficient at any of the software, it must be put on the CV.
In addition, the best way to describe language levels is using CEFR (Common European Framework of Reference for Languages), namely starting from A1 to C2.
Moreover, other skills may be added, such as having a driving licence, where the category should be noted.
Now watch the video to get some more tips and read couple of articles giving you examples of what skills you might add and what skills are important for employers.
Now go to https://europass.cedefop.europa.eu/editors/en/cv/compose add your skills. Then upload a screenshot to earn an open badge for this activity.