As a new month has just begun, Google is ready to push out the latest Android security update to the Nexus and Pixel devices it still supports. The company has already made the usual factory images and full OTA zip files available for download, and you can grab those if you're really impatient and don't mind using command line tools to take care of the installation (and have nothing against a data wipe if you go the factory image route). Otherwise, it's best just to wait a few hours, or, in the worst case scenario, a few days, to get the over-the-air update. The rollout should commence...
Source: https://www.gsmarena.com/google_rolls_out_january_security_update_for_pixels_and_nexuses-news-28955.php