Hi, My system is unix and my platform is linux-64. I installed ConTeXt LMTX as described, namely in my home and in the directory /data /context/ I then tried to compile but without success a file : [viserion@archlinux ~]$ /home/viserion/data/context/tex/texmf-linux-64/bin/context area.tex mtx-context | run 1: luametatex --fmt="/home/viserion/data/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luametatex/cont-en" --jobname="area" --lua="/home/viserion/data/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luametatex/cont-en.lui" --c:currentrun=1 --c:fulljobname="./area.tex" --c:input="./area.tex" --c:kindofrun=1 --c:maxnofruns=9 --c:texmfbinpath="/home/viserion/data/context/tex/texmf-linux-64/bin" "cont-yes.mkiv" sh: luametatex : commande introuvable mtx-context | fatal error: return code: 32512 [viserion@archlinux ~]$ Thanks Fabrice