If you're looking to Download Context Menu on your Chromebook laptop Then read the following guideline.

Context Menu is a configurable right-click menu extension for Finder. You can easily attach applications / shell scripts / services to the contextual menu of Finder with the help of Context Menu. Note: Context Menu is implemented as a Finder extension, you need to enable "Context Menu Extension" in "System Preferences » Extensions" to make the context menu appear. * FAQ Q: I can't find the context menu? A: Please make sure that you've enabled "Context Menu Extension" in "System Preferences » Extensions", and make sure that you've added the specific location to the Context Menu preferences. If the problem persists, please disable "Context Menu Extension" in "System Preferences » Extensions" and then enable it again. The last resort is to relaunch Finder or restart your computer. Q: Is it possible to add the context menu to mounted volumes? A: Yes. You need to add the volumes to the Context Menu preferences first. Q: How to hide Context Menu from the Dock? A: Please simply quit Context Menu, the context menu extension will continue to work. Q: Where are the actions stored? A: You can find all the installed actions at "~/Library/Group Containers/85P8ZUTQL8.net.langui.ContextMenu/Actions".