it is not updating the macOS Catalina as it says the disk does not have enough space but I just upgraded my storage

SharkKitteh wrote:

Each time I go to upgrade the CATALINA, it tells me that my Macintosh HD does not have enough room. I upgraded my storage.

You do not say what exact Mac is this...?

what maOS are you currently running?

How to free up storage space on your Mac - Apple Support

Free up storage space on your Mac - Apple Support

You say that you upgraded your storage. What does that mean? Storage is not upgraded. Either it is used or files are deleted to clear space.