The most trusted source for the "Chrome Canary Portable" ecosystem is the PortableApps.com platform. They have created a custom launcher that wraps the official Google Canary files into a portable package.
Unfortunately, I can't directly provide links to specific software downloads. However, I can guide you on where to find it: chrome canary portable link
Once you have the link and the software running, here is how to turn it into a professional testing environment: The most trusted source for the "Chrome Canary
In the portable version, go to chrome://flags and search for "Overlay Scrollbars." Enable it to see future UI trends. chrome canary portable link