What is the most logical next event?

How to remove the " twinkle " feature from christmas lights
Remove the lights from the tree.
In case you've decided to make changes to your lights after you've put up your tree, you should remove the lights for safety and ease of access.
Find replacement bulbs.
Anytime you need to replace a bulb in a strand of lights, you should always find a replacement bulb with the same voltage as the original. Look under the tag on the strand of lights to find voltage information.