access to windows hard drive?

macOS ONLY provides Read-Only access to Windows NTFS file systems.

You can obtain 3rd party software that will offer read/write access. Paragon comes to mind

https://www.paragon-software.com/us/home/ntfs-mac/

Or Google search for "Mac NTFS read/write software"

You did say you could not reformat, and I understand. But if you had yet another drive that you could format exFAT on your Mac, then transfer files from one NTFS drive to the exFAT drive, which frees up one NTFS drive.

You can then reformat the already copied NTFS drive to exFAT and again copy data from another NTFS drive.

Wash, rinse, repeat.

Not Ideal, but it is an approach to having drives that can be used read/write on both Windows and Macs.

And as MrHoffman says, if you are migrating to Mac, then do not keep using NTFS formatted drives exclusively on the Mac. Convert them over to "APFS" or "Mac OS Extended (Journaled)"

Marcin_UK wrote:

Hello. How do I gain full access to windows hard drive?

I have three hard drives from my Win PC. I got a docking station today and I wanted to mover few files around and keep using one hard drive just for storage and some other files move to iCloud. I turned up that I have only read and write permission. I need to be able to write on all of them as I need to move files around.

How do I do it ??

Formatting any of them will not work as I can't lose any files

if you need both Windows PC and Mac access to the files in parallel, and both the PC and Mac are connected to the same wired or Wi-Fi network, export a share from Windows, and mount it on macOS.

Connect to a Windows computer from a Mac - Apple Support

If you want to migrate form PC to Mac and use those hard drives only from macOS, offload one (to the others split across, or to hosted storage, or to borrowed storage, or whatever), reformat it to APFS or HFS+, and reload the files onto it. Repeat. Don’t keep NTFS around.

well like or like is a somewhat misleading term

it's a proprietary file system which micrsoft require royalties to access for more than read-only, so far apple has been unwilling to pay microsoft royalties so that macOS can always write to devices with the filesystem. there are third-party apps which do and one can purchase and install on macOS so one gets the ability though.