Installing the Picaxe tools can be a little tricky. The guides are written for Windows 7/8 but version 10 is quite similar (2017).
DOWNLOAD the drivers for the USB to Serial cable.
Install this before plugging in the cable.
Try restarting your computer after installing but before plugging in. RTFM - The instructions show how to tell Windows to use this driver instead of the built-in default.
DOWNLOAD and install Programming Editor 6.
This is much more straightforward.
If the drivers are set up properly, the programming editor will see the com port and all will be well.
This video shows flow chart programming to flash the LED on and off once per second.
Connect the LED and USB Cable
The Flow Chart
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