Thanks, Martin.
I should have read more carefully this passage from the Download Moodle page:
From a Windows computer
To get started with a fresh copy of Moodle, follow the following steps:
6- For the STABLE version, click on the "Revision" tab and then check the radio button labelled "Choose branch or tag". From the drop-down menu select MOODLE_14_STABLE. For the latest development version just leave out this step.
May I suggest rephrasing point 6 thus:
6- For the STABLE version, click on the "Revision" tab and then check the radio button labelled "Choose branch or tag". From the drop-down menu select MOODLE_14_STABLE.
For the latest development version just leave out step 6 (under the Revision tab, the radio-button Use HEAD branch is checked by default).
Joseph_R