Merging Folders & Finding Duplicate Files in Windows 10
Get Clone Files Checker: https://www.clonefileschecker.com
First, select all the files that you wish to move and copy them. You can use the Control + C shortcut as well.
Navigate to the folder where you want to merge files. Paste all the files here using the Control + V shortcut.
If there are any similar files, replace them.
Once you have merged your folders, download Clone Files Checker
After opening CFC, add the folder that you wish to scan.
Next, go here and select the file types that you want to look for.
Hit the Start Search button
Once the scan is over, you can click on Fix Wizard to decide which duplicates you wish to retain.
Oldest/Newest etc. etc.
In the next step, you have to decide whether you want to relocate the detected duplicates or permanently delete them.