We get too angry when we have to rename our so many files one by one .
So, I have found out a way to rename all our files at once easily .
Steps are given below :
1. First, hold CTRL key and select the files which you want to rename.
2. Now, Right click on anyone image, then RENAME the file.
3. Now, hit ENTER,
4. Now, your all selected files are renamed, and a serial number will be added to the files. done.