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Release Notes



J807 64-bit systems are available for hardware with or without AVX, see Guides/AVX. The default is AVX, while the non-AVX version installers have "nonavx" in the name, e.g. j807_win64_nonavx.exe.

Most modern CPUs support the AVX instructions, but if you are unsure, try the AVX version first. Any failure will probably be reported as "Illegal instruction" when starting J, in which case install the non-AVX version.


Most Windows or Mac users will want to use the All-in-One install.

Linux users who want a debian package should use the Debian install.

Android users should use the apk install.

Experienced users who want more control, use zips install.