Supermium

Supermium
Original author(s)	win32ss (Shane Fournier)
Initial release	115.0.5744.0 (May 9, 2023; 2 years ago)
Stable release	144.0.7559.252 R4.01 / 9 June 2026
Repository	https://github.com/win32ss/supermium
Operating system	Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2, Windows 8, Windows Server 2012, Windows 8.1, Windows 10, Windows 11
License	3-clause BSD License;
Website	https://win32subsystem.live/supermium/

Supermium is a fork (modification) of Google's open-source and free web browser Chromium, that was created for older operating systems such as Windows XP, Windows Vista and Windows 7.^[2] Support for Windows 2000 is also planned.^[3]

Features

Aero Glass and Aero Glass-style titlebars instead of Windows 10-style ones^[2]
Security fixes for major vulnerability patches usually less than one week from being found^[2]
A functional sandbox for enhanced security^[2]
Custom Tab options including trapezoidal tabs, transparent tabs, and outlined tabs.^[2]
Many flags from ungoogled-chromium^[2]
Google Sync
On Windows 7 and up, Widevine CDM support for viewing DRM content^[2]
GDI font rendering, using #force-gdi in chrome://flags^[2]
Persistent dark mode on the browser's UI elements, using #force-dark-mode in chrome://flags^[2]
Support for SSE2-only processors in the 32 bit build^[2]

Critics at The Register said in a positive review that the browser ran rather fast for a Core 2 Duo processor.^[4]

↑ "Releases of Supermium". Retrieved 9 June 2026.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 "Supermium Web Browser". win32subsystem.live. Retrieved 2024-06-22.
↑ Tkachenko, Sergey (2024-03-07). "Supermium Browser brings the newest Chrome engine to Windows 7, Vista and even XP". Winaero. Retrieved 2024-05-31.
↑ "Supermium drags Google Chrome back in time to Windows XP, Vista, and 7". The Register. 6 March 2024. Archived from the original on 22 June 2024. Retrieved 22 June 2024.