This command creates a new subdirectory in the source directory. After pressing F7 in the directories tree, simply type the desired name for the directory.
Create new directory window:
|in the same level||Created new directory in the same level as current directory (like sibling for current directory).|
|as child||Created new directory as child relative current directory (like sub-directory for current directory).|
Click Ok to create new directory.
Don't use symbols \ / : * ? " < > | in a folder name.