You could have downloaded Rename-eX 1.20.00 from our software library for free. This software was originally produced by eXisTal. The most popular version of the tool is 1.2. The program's installer file is generally known as Rename-eX.exe. The software is included in System Utilities.
From the developer:
With Rename-eX you can quickly rename files from different folders, in a sequential way, with or without prefix and/or suffix. For the numeric sequence, you can choose from what number it is going to begin, choose the minimum number of characters and to define is increment.
This program runs on Windows 95/98/NT/2000 and XP.