Visit Tensor from your browser.
Click on the connect wallet icon in the top right corner > Select “Phantom” and then click on "Connect".
If you are on mobile you will need to visit https://www.tensor.trade/ in the in-app browser.
Select "Connect wallet" > Select "Phantom"
Note: You will only be prompted with the "Sign Message" screen on the first time visiting Tensor.
You are now connected to Tensor and free to make bids, purchase NFTs, or list your NFTs for sale!