You can find all the relevant information on how to receive tokens at this website: https://commit.neufund.org

Please note that you are not "buying tokens", but simply locking your ETH into a smart contract that holds your funds. Once the platform goes live early next year, all your funds will be available to you in your platform wallet for investments into other equity tokens from startups.

You can read a comparison of the ICBM (Initial Capital Building Mechanism) and ETO (Equity Token Offering) models with the usual ICO model here: https://blog.neufund.org/if-you-invest-in-app-tokens-you-may-be-killing-the-project-you-fund-1-6bd15b10f45e