New to laser use, how do I import a desgnbundle picture to lightburn
That would depend on the format of the files contained. Here are the currently supported file formats you can import into LightBurn. 
Welcome. May I suggest this is a good document to review designed to assist in getting going. Redirecting...
May I also suggest this video & channel. (not mine)
# 10 Tips and Tricks for New Laser owners that use LightBurn
