Hi blaze rogers,
As I know, macbook with os X YOSEMITE is not ok, you should better use the computer with Window 7 os.
If you use Window 8, you should follow the first FAQ from PEmicro opensda, the link is :
http://www.pemicro.com/opensda/faqs/faqs.cfm
Wish it helps you!
Have a great day,
Jingjing
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