In the General/Chat forum, on a thread titled Improving YOUR Online Security [Windows 10 & 11, Randomize your WiFi address], steve86 wrote: Remember in V4 that address doesn’t go out past the router / firewall anyway.
As steve86 points out, the older internet protocol (V4) doesn't expose your MAC address. If you are already using V4, no need to do anything. If you're using V6, you could just switch to V4 to conceal your MAC address.
https://support.nordvpn.com/hc/en-us/articles/19919186892305-How-to-disable-IPv6-on-Windows
