To write the saved image to USB later:

Insert your USB drive and follow the prompts to "Create now". Google Help 2. Offline/ISO-style Method (Using .bin Image)

ChromeOS Flex Download and Installation Guide ChromeOS Flex is Google's free operating system designed to revive older 64-bit PCs and Macs by transforming them into fast, secure cloud-first devices. While Google officially recommends using the Chromebook Recovery Utility to create installation media, you can download a 64-bit recovery image for offline use or manual installation. System Requirements

This is the standard online method that automates the download and flashing process. Install the Chromebook Recovery Utility extension in a Chrome browser. Launch the utility and click Get Started Select a model from a list Google ChromeOS Flex as the manufacturer and ChromeOS Flex as the product.