Like most things in homebrewing you need to remember patience. It takes time for CO2 to dissolve in beer. My recommendation would be use the set it and forget it method of carbonation. (There are other methods out there to more quickly get the keg carbed.) Set your regulator to 12 PSI attach to keg and let set for 7-14 days. You can start tasting at 7 days but it might not be carbed until later. I have had beers that took 21 days to carb.
Also most keg kits come with too short liquid lines you will need about 12 feet of liquid out line to properly balance your pours. Otherwise foaming will occur. I think that is the most frustrating thing about kegging is understanding how to properly balance the pressure and carbonation levels to get a constant pour through the whole keg.
If you ordered a picnic tap you can look here on ways to fill bottles with just an old racking cane and a stopper. https://www.homebrewtalk.com/f35/we-no-need-no-stinking-beer-gun-24678/
I have used this method and it works well.
Also you need to not forget sanitation some method of cleaning your beer lines and taps. You can check the kegging forum for good hints to keep the beer lines and taps clean.
There is nothing like coming home from work and pouring your self a nice cold mug of homebrew
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