Need help for lollipop

Hello..i an using note 3 verizon with lollipop 5.0 which i have upgraded to from kitkat 4.4.2 using odin. I am new to this stuff and i cannot find any root method for lollipop. But my question is can i install any custom rom like jasmine without root? What are the prerequisites? I tried to flash cwm recovery but it didn5 work out using odin. Now what are my options. Kindly help please keep in mind that i am a novice.

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