To make it a bit easier I am posting the links here
For windows computer download and install
https://github.com/noia-network/noia-node-gui/releases/download/v0.6.2/noia-node-gui-0.6.2-win.exe
If your machine is mac then the link is
https://github.com/noia-network/noia-node-gui/releases/download/v0.6.2/noia-node-gui-0.6.2-mac.dmg
If your computer is running linux OS then the link is
https://github.com/noia-network/noia-node-gui/releases/download/v0.6.2/noia-node-gui-0.6.2-linux-x86_64.AppImage
Hope this helps :)