Unable to update MacBook Air as it doesn't have enough space
I have a MacBook Air 2017 with 8 GB of memory. I have never updated my os system, but I would like to. My laptop tells me there isn't enough space but everything I have on it is stored in the cloud. What do I need to do so I can update?
[Re-Titled by Moderator]
MacBook Air 13″, macOS 10.14