Select your preferred configuration as described in Menu bar configurations.
To enable drag and drop of files from other applications (such as the Windows Explorer) to the LispWorks Editor tool, check the Respond to drag and drop option.
Checking Reuse all tools ensures that LispWorks uses an existing tool rather than starting up a new copy. For example, if an editor is already open, choosing File > Open and selecting a new file causes the file to be opened in the existing editor.