TransMac for Windows can open Macintosh Apple File System (APFS read only), Mac OS Extended (HFS+ read/write), Mac OS Standard (HFS read only) format disk drives, flash drives, high density floppy disks, CD/DVD/Blu-ray media, dmg, dmgpart, sparsebundle and Sparseimage files. Features include: compress, expand, split and merge Mac HFS+ and APFS dmg
Free download of TransMac 12.2, size
PCDmg is a handy and reliable application that you can use to view the content of DMG or IMG files.
If you need to open a Macintosh disk image file in Windows, this application is what you are looking for. It supports dmg, dmgpart and Sparseimage files.
Free download of PCDmg 1.0, size