How to set up a MetaMask account. Here’s how to set up a MetaMask account: Download and install MetaMask. Create a new wallet. Download and install Metamask extension. Download MetaMask. MetaMask has extensions for Chrome, Firefox, Opera and Brave browsers. At the extension store on these browsers, search for …How to log into Metamask? So I lost my seed phrase, a whole bunch of my documents disappeared from my documents folder, nothing older than about 6 months old, so it must have been a microsoft update that wiped out my documents folder. I looked up how to get back my seed phrase, and it said if I can login with my password, I can recover it ...MetaMask is a self-custodial wallet, which means we cannot control access to user accounts, nor intervene and rescue your account or funds for you. Why did this happen? Due to the sheer scale and scope of web3, there is an enormous abundance of attack vectors that could have been the reason your wallet was compromised.