Hello Vipin,
You can download and install the KSDK2.0, after install , you can find the FreeRTOS demo
as these:

About the detail method to download and install please refer to :
How to: install KSDK 2.0
Hope it helps
Have a great day,
Alice Yang
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------