First drill a hole on top
Look a hole
Then level out the ground beneath the down spout
Then drill a second hole for the overflow
Ta Da!
Third whole is the charm for the spigot.
Then put on your thread sealer.
Twist it on in there.
Don't leave it facing this way.
Measure before you cut your gutters
Measuring twice is a good idea.
Add a screen filter beneath the PVC fitting for debris and as a Mosquito barrier
Time to hacksaw
Pretty durn straight
Be sure and put a rock underneath the overflow. That'll prevent erosion beneath the outflow.
Place it on blocks and that's it. Not to shabby.