Thorium (AVX2)

Chromium fork for Linux, Windows, macOS, Android, and Raspberry Pi named after radioactive element No. 90.

WindowsSystem ToolsOpen source

v138.0.7204.303

183.9 MBscanned clean

Verify your download

Select the file you downloaded to check it against the hash we published — the check runs in your browser, nothing is uploaded.

About

Thorium (AVX2) is an open-source Chromium fork for Windows. It is a web browser based on the Chromium project and is intended for Windows users who want this particular Thorium build.

The AVX2 designation identifies the edition available through MirrorNest. Its browser foundation comes from Chromium, while Thorium is the name used for the fork.

MirrorNest mirrors the official Windows build directly on its own storage. The mirrored file is scanned for malware before publication, giving users a prepared download from the catalog.

Requires Windows 10+ · Server 2016+ · Architecture: x64

What's new in v138.0.7204.303

M138 R2 - Includes security fixes from upstream for latest M138 LTS version: DIFF - Corrected issue where "Open in Current Tab" was placed where "Open in New tab" used to be in the webpage right click menu, which ruined muscle memory and annoyed many users (including me). https://github.com/Alex313031/thorium/issues/1110 - Colored icons corrected. - Fixed the download shelf not showing tooltips on hover. https://github.com/Alex313031/thorium/commit/fac9b6d9f8c74d39a979caa34f14206045ae997a - Fixed crash in profile selector https://github.com/Alex313031/thorium/issues/1115 & https://github.com/Alex313031/thorium/issues/1137 - Fix misc. crashes that should have been fixed upstream, but weren't > https://github.com/Alex313031/thorium/pull/1145 - Fix crash when "Remove Tab Search Button" flag is enabled https://github.com/Alex313031/thorium/issues/1111 - WebRTC should now work, for example Zoom calls, Discord, etc. https://github.com/Alex313031/thorium/issues/1113 - Easter eggs page (chrome://eggs) now works again (favicon needs fixing) https://github.com/Alex313031/thorium/commit/bbdf32090fe9c66cdc1a02b944af2a44a9445e5b - New GUI installer with progress bar and confirmation, that builds on top of the installer from previous M138 release > https://github.com/Alex313031/thorium/commit/af404cdfaa0834052e607320248a9ea037bc7c0a Known Issues: - Top bar window dragging space (above the tabs) when Window is unmaximized is (still) too large on Windows and Linux.

Details

PlatformWindows
CategorySystem Tools
LicenseOpen source
PricingFree
Package IDAlex313031.Thorium.AVX2
Latest versionv138.0.7204.303
File typeEXE
Minimum OSWindows 10+ · Server 2016+
Architecturex64
File size183.9 MB
Published9/25/2026

SHA-256

Does this still work for you?

Works (0)Doesn't work (0)Sign in to vote

Reviews

No reviews yet — be the first.

Leave a review

Sign in to post as a verified member instead of anonymously.

Thorium (AVX2) alternatives