How to select Base network on MetaMask DESKTOP

MetaMask recently updated their browser wallet to change how networks (chains) are selected.  Before the update, one network was active at a time.  After the change, multiple networks can be active.  Before activating your NFT, be sure to deactivate the Ethereum Network as follows:

1. Ensure you have MetaMask 13.3.2 or higher.
   If not, upgrade to latest version.
   a. 3-bar (hamburger) menu in upper right corner
   b. Settings
   c. About
   
2. Click the Globe icon in the upper right corner
   
3. Click Manage permissions
   
4. Click lower Edit button
   Use your enabled networks
   
5. Select Base
   Ensure all others are deselected
   
6. Click Update
   
   

            MetaMask Desktop