How to buy tnsr token?

Could you please provide me with a step-by-step guide on how to purchase TNSR tokens? I'm new to the world of cryptocurrency and would like to know the process involved in acquiring these tokens. What platform or exchange should I use? Are there any specific requirements or verification processes I need to go through? Also, how can I ensure that my transaction is secure and that I'm getting the best possible deal for my TNSR tokens? Thank you in advance for your help.