1. Login with Internet Identity (or use a temporary account).
2. Send some tokens (ICP or TCycles) to the above account, or buy TCycles with a credit card!
3. Watch the token or cycle balance automatically refreshed.
4. Name or choose one or more canisters to contribute to.
5. Canisters will be automatically topped up when they run low on cycles.

You can also read more about how it works.