My Fedora installation is on an extended / lvm partition.
I have not tried this, but you have a few options for accessing ext2/3/4 from Windows: https://zillowtech.com/access-linux-files-windows-10.html
Note that some solutions allow read only access, while others allow writing as well. Not sure how much that should be trusted though.
Yup. I saw that page. also gonna try DiskGenius