You'll want to select "Duplicates Search" in the Search Mode box at the top of the window and then choose folders to search by clicking the "Browse" button to the right of Base Folders. Launch it and you'll see a complex looking search dialog. Like many other NirSoft applications, it's a portable app. This tool is created by NirSoft, who also creates many other useful free tools that never contain bundled junkware. Select the files you want to delete and click the "Delete Selected Files" button to send them to the Recycle Bin. Or, to further narrow things down, you can click the "Filter" button and filter by date, size, or file type.
Once you've performed a search, you'll see a list of duplicate files and you can easily view previews of them and other information. You can easily tell it to search for files with a specific word or bit of text in their name if you're looking for a specific file. By default, it will search for images, audio files, video files, archives, and applications, but you can select only one type of file or have it look for all file types. It will search non-system folders on all connected drives by default, but you can easily select which drives and folders you want to search in the sidebar. This application has sensible default settings offers a simple wizard that will walk you through the process. Be sure to uncheck any additional software offered during the installation process, as you don't need a driver updater. Some reviews knock Auslogics for bundling additional junkware with this application, but they've cleaned up their act somewhat since then. The installer did offer to install Auslogics Driver Updater when we installed the duplicate file finder, however. This software isn't free, but they do offer a free trial that you can use to test whether you like it. And of course, you don't have to worry about crapware or spyware. If you're really serious about finding and killing duplicate files, your best bet is Duplicate Cleaner Pro, which has an extremely simple interface with powerful features to delete duplicate files. Find and Delete Duplicate Files the Easy Way with Duplicate Cleaner Pro
Windows and the programs you use may need these duplicate files in different locations to function properly. You shouldn't use these tools to remove duplicate files found in system folders like the Windows and Program Files folders. Here are our picks for the best duplicate file finders, whether you're looking for something easy to use, an application you may already have installed, or a powerful tool with the most advanced filters.