Android 5.1 or 5.0 for GoClever Insignia 700 PRO

Hi, I have a GoClever Insignia 700 PRO tablet. And I want to install Android 5.1 or 5.0 on it. Actually I have Android 4.4.1 . And I want latest OS. Please tell me how can I do the upgrade with PC or without PC.


Thanks for answers.