Easy File Replacer is a freeware from door2windows which allows you to replace two similar files of different names with one click. It also takes ownership of the file that you want to replace so that you can replace system files too.
Apps from door2windows are truly free and DON'T include any offers to install 3rd-party apps/adware/toolbars/unwanted software and never will. The apps are portable and don't require installation.
Download door2windows App Bundledoor2windows App Bundle gives you access to all the latest apps released by door2windows in one download (along with future updates).
How to use:
Run the tool.
Copy the file that you want to replace with another file.
Right-click on the file that you want to replace with the copied file.
Select Easy File Replace.
Now the file that you selected will be replaced with the file that you copied.