There are some more details in some the closed issues on this repository.
+### Can't play from iTunes on Windows
+
+**Problem**
+
+You can play from other devices but not from your Windows PC.
+
+**Possible Solution**
+
+Allow network discovery. This setting creates a private type network and enables Windows to access the ports and protocols necessary to use Shairport Sync.
+
### UFW firewall blocking connections on Raspbian (Raspberry Pi)