And. I’ve paid for a product to work.
Doesn't seem like you are getting your money's worth. And, you apparently need a workaround to continue your operations.
Because to you it might be easy. To me it’s not.
It could be easy. You seem capable of typing out complete sentences. That's all you have to do in the Terminal.
zip -er MyZipArchive.zip
Then, drag in the files/folders you want included in the archive. Hit return and it will ask for a password.
If you are using iCloud Drive, make sure the files are downloaded, otherwise it will be skipped.
The archive will be created at the current working directory which defaults to your home folder.
You could either cd to change directory or use the path to the desired location, like:
zip -er ~/Desktop/MyZipArchive.zip