How do I access IDLE in Win7

[W. eWatson]

It's been many months since I played with Python, and have forgotten how 
to bring up IDLE. If I simply click on a py file, I see what may be a 
dos window appear and quickly disappear. If I right-click on the file, 
and select IDLE, the same thing happens. If I go directly to All 
Programs, the same thing happens when I select IDLE.
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