@Ari2021 , welcome to the Community.
Here is a video that will show you how to replace the hard drive in your AIO:
It is not for the same model, but it is for the 24 series.
Here is the current hard drive on HP PartSurfer: https://partsurfer.hp.com/Search.aspx?searchText=857901-800
It will show you the specifications so you can find one to match them. If you use any drive larger than 2.2 TB with Windows 10 you will have to use GPT partitions. Here is a guide to help you with the setup.
Please click the Thumbs up + button if I have helped you and click Accept as Solution if your problem is solved.


I am not an HP Employee!!
Intelligence is God given. Wisdom is the sum of our mistakes!!