How to join many pictures into a single picture in adobe photoshop

*copy paste all the pictures into a single folder. Place it anywhere on ur computer.
Just in fig 111

 

*Go to ‘file’<< ’automate’<< ‘contact sheet 11’
*click browse and select that  folder
* mark it “include all subfolder”
*press ok and ur contact sheet will be ready as in fig 112.