Folding instructions with pictures here: https://www.wikihow.com/Fold-a-Paper-Crane

Two more picture step by step instructions if the first one doesn’t work: https://origami.me/crane/ and https://www.thesprucecrafts.com/easy-origami-crane-instructions-4082282

There are instructions for other types of paper crane here: https://www.origami-resource-center.com/paper-crane.html

This video goes step by step and uses textas to show what you need to do. Watch this video and pause until you can do the steps:

Senbazuru

There is a tradition in Japan called Senbazuru, where you can have a wish granted if you fold 1000 paper cranes. https://www.thesprucecrafts.com/senbazuru-paper-cranes-2540651

The most famous story about senbazuru is that of Sadako. This young girl developed leukemia due to the nuclear bombs dropped on Hiroshima. She tried to make a senbazuru but died before she could. Her story became famous, and represents peace. Her story is here: https://www.origami-resource-center.com/sadako.html and https://www.youtube.com/watch?v=fABpssKWCoE

Now, schools and groups around the world create senbazurus and send them to Hiroshima, where they are put on display in the Children’s memorial: