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v86 vs DOSBox-X: catalog facts
v86	DOSBox-X
Free Free and open source.	Free Free and open source under the GPL 2.0.
Web	Windows, macOS, Linux
Runs whole operating systems in a browser tab x86-to-WebAssembly JIT for better speed	Runs DOS games and also installs Windows 3.x, 95, 98 and Me Emulates the Japanese PC-98 and DOS/V environments
Slower than native virtualization Best suited to older or lightweight operating systems	Far more settings than plain DOSBox, and you will meet the config file Installing an old Windows inside it is a project, not a click
Web application	Downloadable app
Open source	Open source
License not stated	License: GPL-2.0
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.