Hello Geo,
I recommend you use the latest version CW10.6.6 (cw10.6.4 with update 6) ,
for the the new one have fixed bugs that old one have , and also have some updates.
And you can also use the KDS3.0 , it also have the Processor Expert , this IDE is free,
you can download and install refer to here :
New Kinetis Design Studio V3.0.0 available
The KSDK1.3 is a kinetis development kit .
Hope it helps
Have a great day,
Alice Yang
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