Create an Ethereum-wallet. You can do it quickly and safely with MyEtherWallet.com
Register in your account on the Rubus.fund website. Be sure to include the address of your Ethereum-purse.
Buy Ethereum crypto currency into your wallet using a convenient and reliable exchanger.
Select the portfolios you want to invest in. Go to your personal account.
In your personal account you will find the address of the smart contract to which you want to send Ethereum from your wallet.
The smart contract will send back to your purse the tokens of the investment portfolio.
Keep your tokens in a safe place. Watch how your money is multiplied in the personal account of the website.
To withdraw funds, just send the tokens back to the address of the smart contract, in return you will receive the Ethereum crypto currency.