NTFS (New Technology File System) is proprietary to Microsoft. Apple licensed read-only access years ago but never enabled writing due to stability concerns and licensing issues. While macOS contains hidden, experimental write support, Apple disables it because enabling it can lead to data corruption.
If you have a Seagate or Western Digital external drive, you can get a full free license for Paragon NTFS directly from their websites. Seagate’s “NTFS Driver for Mac” is actually a branded version of Paragon. --- Easeus Ntfs For Mac License Key Free