The next stage is getting Chrome OS Flex up and running on your old laptop. The software takes a few minutes to download the necessary files and install them on the USB drive, and you’ll see a message when you can take the drive out of its port. You’ll also need to pick the USB drive you want to use, and the installation drive can then be created. The options you want are Google Chrome OS Flex for the manufacturer and Chrome OS Flex (Developer-Unstable) for the product. Work your way through the setup wizard that appears on screen, and when you’re asked to identify your Chromebook, choose Select a model from a list. With that process completed, launch the utility: You should be able to find it by clicking the extensions button on the Chrome toolbar.

Plug it into a Chromebook, Windows PC or Mac (it doesn’t necessarily have to be the laptop you’re installing Chrome OS Flex on), then visit the Chrome web store: Find the Chromebook Recovery Utility, click Add to Chrome, and then Add extension. Find yourself a USB drive with 8GB capacity or more, and get all the files you need off it before proceeding.

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