pc is macbook ok?
Yes, ADB is also available for Mac.
See "How to setup ADB on macOS" here:
I have set up ADB for MacOS!
I don't know how to do it next, so please let me know!
Have you read the installation guide?
Connet your phone and restore pescm...
New ultimate license patch version 4.2.0 is online now and replaces the old version.
Please do the full install steps again (both files - .apk and .ab).
Install instructions are updated, too.
Start with B: again - A: is not required.