Hi @kaeves4711 you are in my friend!😀 Your Steem and or Hive account user name automatically signs you up!!
Go to actifit.io sign in with just your posting key and you will be able to check on the rewards that you achieve as you post!
You need to download the phone @actifit app and your phone can count your steps, or you can use a fitness watch like Fitbit and sync these steps at the end of the day.

https://play.google.com/store/apps/details?id=io.actifit.fitnesstracker.actifitfitnesstracker

Here is the link for the Google play store, or use the App store for Apple.
So glad you are starting, If you have any more questions feel free to contact me or any of the other Mods. Actifit is also on Discord and that is an easy way to contact any of us.😀
Lots of information on this web site....gadgets will increase rewards, commenting on other users post will increase rewards too! Have fun, get rewards, and getting healthy....Cheers!!