What is batch editing?
Batch or bulk photo editing in Adobe Photoshop is a way to apply the same type of editing actions to a group of images to create visual consistency. After doing it once, you can efficiently and quickly apply the same edits across all your photos in just a few clicks.
How to do batch editing in Lightroom?
Hold Command (on Mac) or Control (on Windows) and click on the images you want to paste the edit settings to. Then hit Command+V (on Mac) or Ctrl+V (on Windows) to paste the edits onto all of the selected images.