When you stake your Hive you obtain HP(Hive Power) as well as RC(resource credits). It takes about 3k-4k HP to have enough RCs to claim an account creation token every 4 days or so.
You can do that on front ends like PeakD. There's a dropdown arrow next to your HP number in your wallet:
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When you use RC, they replenish over time, they're not spent.