Plug tablet in to the computer by USB cable. Make sure that you have USB debugging option on. If not then do the following:
Enter your tablet settings. Navigate to About tablet menu and there tap quickly
7 times Build number option. If You are now a developer! message
pops up then everything you did correctly. If not try again.
Now you can turn the option on and off in the menu:
"Settings" -> "Developer options" -> "Debugging" -> "USB Debugging".
Download the file motochopper.zip. Extract it. If you are in Linux or OSX - run the file run.sh. Follow instructions that apperars on the screen. It is just pressing enter key before rooting and do it again after rooting.
Wait for tablet restart. Now if any application requests access to data that it is not allowed to on the screen pops up a window where you can obtain root privileges.