Go to the website using the link: https://nodesale.x1ecochain.com
To log in, click the "Connect wallet" button, then select "Metamask"
If the "Metamask" option does not appear, install the MetaMask extension in your browser.
After connecting your wallet, you will be prompted to enter a promo code. You can get it from a partner who is already authorized on the website.
All done! You have successfully logged in.