This extension can be installed on Chrome, Edge and FireFox in any operating systems. You simply connect the extension to your organization Azure Devops. It helps you write notes, take screenshots and add a bug when you exploring the website your team is responsible for.
See more: https://docs.microsoft.com/en-us/azure/devops/test/perform-exploratory-tests?view=azure-devops
You can even work in Standalone mode which makes the report in your Download folder of the browser.