There are three common ways to update your Android OS: First, from the settings menu, tap on the "update" option. Your tablet will check in with its manufacturer to see if there are any newer OS versions available and then run the appropriate installation. Second, visit the manufacturer's site. Every reputable tablet manufacturer (there are some no-name brands on the market) will have a technical support site that offers the latest updates and drivers for your particular model. Visit that site from your device's Web browser, and you'll be able to update other drivers as well. Third, connect to your computer. Most manufacturers sell their tablets with a way of allowing them to interface with other computers.