Network Problems

MyCloud is unable to set up so that iMac and Window 10 Pro laptop (Dell 1737 Studio) can see each other and exchange files via my ethernet network. How can this problem be resolved? The MyCloud device is installed on my iMac and is unable tosee the PC. The PC can see the the iMac MyCloud device’s tech specs.

There is no capability for sharing files between the two computers. I NEED HELP!!