How to buy grok online?

Excuse me, could you please explain the process of purchasing grok online in detail? I'm a bit new to this and want to make sure I'm doing it correctly. Could you walk me through the steps, including where to find a reputable exchange or platform to buy grok, the necessary account setup, funding methods, and any security precautions I should take to protect my investment? Additionally, could you also mention if there are any fees associated with buying grok online and what are the typical transaction times? Thank you for your assistance.