Creating Symbolic Links (aka Symlinks) on Windows:
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Without any extra options, mklink creates a symbolic link to a file. The below command creates a symbolic, or “soft”, link at Link pointing to the file Target :
mklink Link Target

Use /D when you want to create a soft link pointing to a directory. like so:
mklink /D Link Target

Use /H when you want to create a hard link pointing to a file:
mklink /H Link Target

Use /J to create a hard link pointing to a directory, also known as a directory junction:
mklink /J Link Target


Examples:
So, for example, if you wanted to create a directory junction (a hard link to a folder) at C:\LinkToFolder that pointed to C:\Users\Name\OriginalFolder, you’d run the following command:
mklink /J C:\LinkToFolder C:\Users\Name\OriginalFolder

You’ll need to put quotation marks around paths with spaces. For example, if the folders are instead named C:\Link To Folder and C:\Users\Name\Original Folder, you’d use the following command instead:
mklink /J "C:\Link To Folder" "C:\Users\Name\Original Folder"



Source:
https://www.howtogeek.com/16226/complete-guide-to-symbolic-links-symlinks-on-windows-or-linux/

Date: Unknown