Warning: Typing the wrong path may delete files in the wrong location, so make sure to use these instructions carefully. To delete a large number of files on Windows 10 using the del and rmdir commands, use these steps: Delete large folder fast adding context menu optionĭelete large folder fast using Command Prompt.Delete large folder fast using Command Prompt.In this guide, you’ll learn the fastest way to delete large folders with thousands of files using command lines and the instructions to add an option on the right-click context menu to automate the process with just one click. The only caveat is that you need to be comfortable using Command Prompt. However, you can significantly speed up the process to only a few seconds using a few command lines. The reason is that during the delete process, Windows 10 needs to run calculations, analyze, and show updates as files and folders are deleted on the screen, something that usually takes time when deleting a large folder with thousands of files and subfolders. On Windows 10, sometimes you need to delete folders that may contain many files, and using File Explorer can take a long time.