{"id":7864,"date":"2025-12-15T18:12:17","date_gmt":"2025-12-15T17:12:17","guid":{"rendered":"https:\/\/www.varcap-informatique.net\/tutoriels\/?p=7864"},"modified":"2026-05-05T14:51:31","modified_gmt":"2026-05-05T13:51:31","slug":"comment-faire-la-mise-a-jour-macos-tahoe-26-2","status":"publish","type":"post","link":"https:\/\/www.varcap-informatique.net\/tutoriels\/comment-faire-la-mise-a-jour-macos-tahoe-26-2\/","title":{"rendered":"Comment faire la mise \u00e0 jour macOS Tahoe 26.2 ?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Apple vient de publier macOS Tahoe 26.2, apportant des correctifs de s\u00e9curit\u00e9, des am\u00e9liorations de stabilit\u00e9 et des optimisations de performance. Les mises \u00e0 jour sont essentielles pour maintenir la s\u00e9curis\u00e9 et l&rsquo;am\u00e9lioration g\u00e9n\u00e9rale du syst\u00e8me.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce tutoriel explique simplement comment mettre \u00e0 jour votre Mac de macOS 26.1 vers 26.2, \u00e9tape par \u00e9tape.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Avant de commencer, assurez-vous que votre Mac dispose d\u2019au moins 15 Go d\u2019espace libre suffisant pour cette mise \u00e0 jour incr\u00e9mentale. Si vous utilisez un Macbook pro ou un Macbook air, branchez-le sur secteur pour \u00e9viter une interruption.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour lancer la mise \u00e0 jour, cliquez menu \uf8ff puis cliquez&nbsp;<strong>R\u00e9glages Syst\u00e8me<\/strong>. <\/p>\n\n\n\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"757\" data-src=\"https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2025\/12\/mise-a-jour-tahoe-26.2-1024x757.jpg\" alt=\"\" class=\"wp-image-7865 lazyload\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/757;width:632px;height:auto\" data-srcset=\"https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2025\/12\/mise-a-jour-tahoe-26.2-1024x757.jpg 1024w, https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2025\/12\/mise-a-jour-tahoe-26.2-300x222.jpg 300w, https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2025\/12\/mise-a-jour-tahoe-26.2-768x568.jpg 768w, https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2025\/12\/mise-a-jour-tahoe-26.2-1536x1136.jpg 1536w, https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2025\/12\/mise-a-jour-tahoe-26.2.jpg 1690w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Sur le menu de navigation de gauche, cliquez sur <strong>G\u00e9n\u00e9ral<\/strong> puis sur <strong>Mise \u00e0 jour de logiciels<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le syst\u00e8me v\u00e9rifiera automatiquement la disponibilit\u00e9 de macOS 26.2. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cliquez sur le bouton <strong>Mettre \u00e0 jour<\/strong> pour lancer le t\u00e9l\u00e9chargement, une barre de progression s\u2019affichera.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lorsque le t\u00e9l\u00e9chargement sera termin\u00e9, vous aurez 1 minutes pour choisir de red\u00e9marrer votre Mac pour installer la mise \u00e0 jour ou de l&rsquo;installer plus tard. <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium is-resized\"><img decoding=\"async\" width=\"300\" height=\"160\" data-src=\"https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2025\/12\/timer-maj-Tahoe-26.2-300x160.png\" alt=\"\" class=\"wp-image-7866 lazyload\" style=\"--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300\/160;width:353px;height:auto\" data-srcset=\"https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2025\/12\/timer-maj-Tahoe-26.2-300x160.png 300w, https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2025\/12\/timer-maj-Tahoe-26.2-768x409.png 768w, https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2025\/12\/timer-maj-Tahoe-26.2.png 874w\" data-sizes=\"(max-width: 300px) 100vw, 300px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Si vous ne touchez \u00e0 rien, l&rsquo;installation de la mise \u00e0 jour se fera au bout 60 secondes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans tous les cas, pour valider l&rsquo;installation de la mise \u00e0 jour, vous devrez saisir le mot de passe que vous tapez pour entrer dans votre ordinateur et valider-le en cliquant sur le bouton bleu OK.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En suivant ce tutoriel, vous venez d&rsquo;apprendre \u00e0 mettre \u00e0 jour votre mac.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div id=\"dep-banner\"><\/div>\n<script>\n(function() {\n  \/\/ Coordonn\u00e9es centre de Dijon\n  var DIJON_LAT = 47.3220;\n  var DIJON_LNG = 5.0415;\n  var RAYON_KM  = 100;\n\n  function distanceKm(lat1, lng1, lat2, lng2) {\n    var R = 6371;\n    var dLat = (lat2 - lat1) * Math.PI \/ 180;\n    var dLng = (lng2 - lng1) * Math.PI \/ 180;\n    var a = Math.sin(dLat\/2) * Math.sin(dLat\/2)\n          + Math.cos(lat1 * Math.PI\/180) * Math.cos(lat2 * Math.PI\/180)\n          * Math.sin(dLng\/2) * Math.sin(dLng\/2);\n    return R * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));\n  }\n\n  function bannerDijon() {\n    return '<div style=\"background:#1a2e4a;border-radius:12px;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:16px;\">'\n      + '<div>'\n      + '<div style=\"display:inline-block;background:#c8952a;color:#fff;font-size:12px;font-weight:600;padding:3px 12px;border-radius:20px;margin-bottom:10px;\">Particuliers &amp; entreprises<\/div>'\n      + '<div style=\"color:#fff;font-size:17px;font-weight:600;margin-bottom:8px;\">D\u00e9pannage informatique \u00e0 domicile \u2014 Dijon<\/div>'\n      + '<div style=\"color:#a8c8f0;font-size:14px;\">Devis gratuit \u00b7 Intervention sous 48h<\/div>'\n      + '<\/div>'\n      + '<a href=\"https:\/\/depannage-informatique-21.fr\" style=\"background:#c8952a;color:#fff;font-size:14px;font-weight:700;padding:12px 20px;border-radius:8px;text-decoration:none;white-space:nowrap;flex-shrink:0;\">En savoir plus \u2192<\/a>'\n      + '<\/div>';\n  }\n\n  function bannerParis() {\n    return '<div style=\"background:#1a2e4a;border-radius:12px;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:16px;\">'\n      + '<div>'\n      + '<div style=\"display:inline-block;background:#c8952a;color:#fff;font-size:12px;font-weight:600;padding:3px 12px;border-radius:20px;margin-bottom:10px;\">Particuliers &amp; entreprises<\/div>'\n      + '<div style=\"color:#fff;font-size:17px;font-weight:600;margin-bottom:8px;\">D\u00e9pannage informatique \u00e0 domicile ou sur site \u2014 Paris &amp; banlieue<\/div>'\n      + '<div style=\"color:#a8c8f0;font-size:14px;\">\u2605\u2605\u2605\u2605\u2605 4,8\/5 sur Google \u00b7 Devis gratuit \u00b7 Intervention sous 24h \u00e0 48h<\/div>'\n      + '<\/div>'\n      + '<a href=\"https:\/\/depannage-informatique-75019.paris\" style=\"background:#c8952a;color:#fff;font-size:14px;font-weight:700;padding:12px 20px;border-radius:8px;text-decoration:none;white-space:nowrap;flex-shrink:0;\">En savoir plus \u2192<\/a>'\n      + '<\/div>';\n  }\n\n  function show(html) {\n    document.getElementById('dep-banner').innerHTML = html;\n  }\n\n  fetch('https:\/\/ipwho.is\/')\n    .then(function(r) { return r.json(); })\n    .then(function(d) {\n      if (d.success && d.latitude && d.longitude) {\n        var dist = distanceKm(d.latitude, d.longitude, DIJON_LAT, DIJON_LNG);\n        show(dist <= RAYON_KM ? bannerDijon() : bannerParis());\n      } else {\n        show(bannerParis());\n      }\n    })\n    .catch(function() { show(bannerParis()); });\n})();\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Apple vient de publier macOS Tahoe 26.2, apportant des correctifs de s\u00e9curit\u00e9, des am\u00e9liorations de stabilit\u00e9 et des optimisations de performance. Les mises \u00e0 jour sont essentielles pour maintenir la s\u00e9curis\u00e9 et l&rsquo;am\u00e9lioration g\u00e9n\u00e9rale du syst\u00e8me. Ce tutoriel explique simplement comment mettre \u00e0 jour votre Mac de macOS 26.1 vers 26.2, \u00e9tape par \u00e9tape. Avant [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7859,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[939],"tags":[],"class_list":["post-7864","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mac-os-tahoe"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Apple vient de publier macOS Tahoe 26.2, apportant des correctifs de s\u00e9curit\u00e9, des am\u00e9liorations de stabilit\u00e9 et des optimisations de performance\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Arnault\"\/>\n\t<link rel=\"canonical\" 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