How to access an APFS volume on Windows machine
These tools can be used:
https://github.com/sgan81/apfs-fuse for Linux
https://www.paragon-software.com/home/apfs-windows for Windows
Source: How to mount APFS on Linux or Windows?
Apple has not released the specs yet. I only know of two companies with beta versions for using on Windows: Transmac by Acute Systems and Macdrive from Mediafour.