Connecting to Decentraland

Hi, how do I connect to decentraland for the first time? I’ve created a Metamask account, and downloaded the browser app. I’m logged in to the Metamask browser app.

When I try to connect to Decentraland via Metamask, te Metamask icon is greyed out. When I click on it, asks me to download Metamask again.

Thanks in advance for your help.