Don't forget you need at least 20... or designate someone to be your proxy that is already voting for 20.

Example using Peakd

Go to page https://peakd.com/me/witnesses and choose up to 30 (and at least 20 for this giveaway) witnesses to checkmark on the right side check box option. I am assuming you have HiveKeychain installed already and you use it. Example (1 vote used out of 30 max):
Or you can proxy your power via someone that already does the 1. point. It's like "delegating" your vote power to someone else (aka you are trusting someone else to vote with your power). You can only choose 1 person to do this, and the way you set it is by first going to that person's profile, like you can go to mine for example... https://peakd.com/@forykw and then click on the "Interactions..." and then if you haven't already set that person for proxy voting (otherwise it will say if you want to remove), click on the "set as a proxy voter". Example: