Press Ctrl + Shift + B to toggle your bookmarks bar in Microsoft Edge. If it's hidden, this will show it. If it's already visible, press again to hide it.
Once you're in Prodigy, click the PXI bookmark in your bookmarks bar to activate the tool. Wait a few seconds for PXI to load completely.
After activating PXI, click the arrow icon in the top-left corner to open the PXI menu and access all features.