The replace function has been removed so the only way in order to replace a folder is just to delete the conflict, or rename it to something else as well.
In order to replace a folder, follow these steps. That already had a folder of the same name actually. Windows used to replace the folder whenever it was copied to a destination. In either case, the first folder’s contents will be merged along with the second as well. The destination folder will also have files from both.
The two folders will be merged automatically actually.Then navigate to the second folder’s location.Choose one of the two folders, and click on Ctrl+C.If they do not have the same name, then just rename them so that the names are identical. Just locate the two folders you want to merge.Windows 10 can automatically merge the contents of two folders that actually have the same name when you guys copy the folder from one location to another. 1.2 Remove Duplicate Files | Merge Folders.