It's important that you update your tablet with the newest software, as the manufacturer continuously corrects errors. It's recommended that you back up the tablet memory first. Remember, you need to set up your tablet for Internet.
Find "Software update"
Slide your finger down the display starting from the top edge of your tablet.
Press the settings icon.
Press About device.
Press Software update.
Update tablet software
Press Update now.
If a new software version is available, it's displayed.
Follow the instructions on the display to update your tablet's software.