Want to get Folder size (including subdirectories) instantly no matter how large on Windows PC? Use PowerShell as shown in this post.

Here is how you can check if Files and Folders exist using PowerShell. PowerShell has a built-in Test-Path cmdlet that you can run as a script file.

PowerShell is a command-line shell and scripting language built into Windows that can help you automate administrative and repetitive tasks. If you've used it before, it might already feel familiar.