In a few days the button will turn orange, and after a week it will turn red. You’ll then see a green “Update” button in the upper right corner of the browser window where the menu button usually is. Under normal circumstances Google Chrome automatically installs updates and prompts you to relaunch the browser to apply them.
When that happens, Google usually responds fast by releasing an emergency update, which you should install as soon as you can. In especially severe cases, there are vulnerabilities that criminals have already started to exploit. Every so often dangerous vulnerabilities are detected in Google Chrome - bugs that attackers can use to steal users’ data or infect their computers with something undesirable.
