The win 10 home operating system of Acer laptop 20 17 needs to be activated now. You can see if there is an activation code on the back of your laptop, and if there is one, just enter it directly. If not, you can contact after-sales customer service, tell him your computer serial number and ask them to provide you with the activation code. If the computer is reinstalled, you can also download the activation tool to activate it yourself.