If you are on Windows XP and Chrome 49, You have to enable these flags to have the Material Design feel!
Flags listed here:
Material design in the browser's top chrome -
Material
Extension toolbar redesign -
Enabled
Enable Material Design downloads -
Enabled
Enable Material Design extensions -
Enabled
There is the result of Chrome 49 with Material features enabled (Windows XP).
 |
| Chrome 49 with Material Design UI enabled |
 |
| Chrome 49 with Material Design UI and any theme |
Also, you can override the user agent string to the current version of Chrome (link here:
User-Agent Switcher and Manager).
If you are on YouTube, The layout site goes blank. So there is a way to fix this.
Tampermonkey:
Install from Chrome Web Store
YouTube - Restore Classic:
Install from Script here
Other than that, Some other Chromium-based browsers were based on v49 and v50, I tested Slimjet 10 on XP...
 |
| Slimjet 10 with Material Design UI Flag enabled |
And also, It works on any Windows versions such as XP, Vista, 7, 8.x, 10, and Linux of course...