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Installieren musst du es nicht: Der Launcher lädt für jede Minecraft-Version die\npassende Java-Runtime von Mojang herunter – dieselben Builds, die auch der offizielle Launcher nutzt.",[269,270,272],"h2",{"id":271},"welches-java-für-welche-version","Welches Java für welche Version",[274,275,276,289],"table",{},[277,278,279],"thead",{},[280,281,282,286],"tr",{},[283,284,285],"th",{},"Minecraft",[283,287,288],{},"Java",[290,291,292,301,309,317],"tbody",{},[280,293,294,298],{},[295,296,297],"td",{},"bis 1.16",[295,299,300],{},"Java 8",[280,302,303,306],{},[295,304,305],{},"1.17 bis 1.20.4",[295,307,308],{},"Java 17",[280,310,311,314],{},[295,312,313],{},"1.20.5 bis 1.21.x",[295,315,316],{},"Java 21",[280,318,319,322],{},[295,320,321],{},"26.x",[295,323,324],{},"Java 25",[265,326,327,328,332],{},"Der Launcher liest die benötigte Version aus Mojangs Versionsdaten und installiert beim ersten Start die passende\nRuntime. 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Automatisch wählt immer die richtige Version.",[265,381,382],{},[383,384],"img",{"alt":385,"src":386},"Einstellungen, Java-Installationen","\u002Fshots\u002Fhelp\u002Fjava-settings.png",[269,388,390],{"id":389},"eigenes-java-nutzen","Eigenes Java nutzen",[392,393,395,400,414,418,425,451,455],"steps",{"level":394},"3",[396,397,399],"h3",{"id":398},"java-einstellungen-öffnen","Java-Einstellungen öffnen",[265,401,402,403,405,406,409,410,413],{},"Geh zu ",[347,404,362],{}," für alle Instanzen, oder in die Instanz-Einstellungen → ",[347,407,408],{},"Java &\nArbeitsspeicher"," für eine Instanz (schalte dort ",[347,411,412],{},"Eigene Java- und Speichereinstellungen"," ein).",[396,415,417],{"id":416},"java-wählen","Java wählen",[265,419,420,421,424],{},"Drück auf ",[347,422,423],{},"Erkennen",", um die Java-Installationen auf deinem PC aufzulisten, oder gib den Pfad selbst ein. Der Pfad\nmuss auf das Java-Programm selbst zeigen:",[426,427,428,443],"tabs",{},[429,430,432,435,436,439,440,353],"tabs-item",{"label":431},"Windows",[329,433,434],{},"java.exe"," oder ",[329,437,438],{},"javaw.exe",", zum Beispiel ",[329,441,442],{},"C:\\Program Files\\Eclipse Adoptium\\jdk-21…\\bin\\javaw.exe",[429,444,445,439,448,353],{"label":213},[329,446,447],{},"…\u002Fbin\u002Fjava",[329,449,450],{},"\u002Fusr\u002Flib\u002Fjvm\u002Fjava-21-openjdk\u002Fbin\u002Fjava",[396,452,454],{"id":453},"version-prüfen","Version prüfen",[265,456,457],{},"Der Launcher zeigt, welche Java-Version er gefunden hat. Ein Hinweis wie „Java 17 – hier wird Java 21 erwartet“\nbedeutet, dass die Version nicht zum Feld passt.",[265,459,460,462,463,466],{},[347,461,423],{}," durchsucht die eigenen Runtimes des Launchers, ",[329,464,465],{},"JAVA_HOME"," und die üblichen Installationsordner:",[468,469,470,482],"ul",{},[344,471,472,474,475,478,479,353],{},[347,473,431],{},": Program Files (Adoptium, Microsoft, Zulu, BellSoft, Amazon Corretto, Semeru und weitere),\n",[329,476,477],{},"%LOCALAPPDATA%\\Programs"," und ",[329,480,481],{},"%USERPROFILE%\\.jdks",[344,483,484,359,486,489,490,489,493,489,496,499,500,478,503,353],{},[347,485,213],{},[329,487,488],{},"\u002Fusr\u002Flib\u002Fjvm",", ",[329,491,492],{},"\u002Fusr\u002Flib64\u002Fjvm",[329,494,495],{},"\u002Fusr\u002Fjava",[329,497,498],{},"\u002Fopt",", SDKMAN, ",[329,501,502],{},"~\u002F.jdks",[329,504,505],{},"~\u002F.local\u002Fshare\u002Fjdks",[265,507,508,511],{},[347,509,510],{},"Empfohlene installieren"," neben einem Feld lädt die Runtime von Mojang dafür herunter.",[513,514,515,516,519,520,523,524,527],"warning",{},"Eine falsche Java-Version ist eine der häufigsten Absturzursachen. Stürzt ein Spiel ab, nachdem du ein eigenes Java\neingestellt hast, bietet der ",[517,518,198],"a",{"href":199}," ",[347,521,522],{},"Java automatisch wählen"," oder\n",[347,525,526],{},"Java … verwenden"," an.",[269,529,531],{"id":530},"arbeitsspeicher-ram","Arbeitsspeicher (RAM)",[265,533,534,537],{},[347,535,536],{},"Einstellungen → Standard-Einstellungen → Arbeitsspeicher"," legt fest, wie viel RAM ein Spiel höchstens nutzen darf.\nNeue Installationen starten mit einem Wert, der zu deinem PC passt:",[274,539,540,550],{},[277,541,542],{},[280,543,544,547],{},[283,545,546],{},"RAM in deinem PC",[283,548,549],{},"Standard für das Spiel",[290,551,552,560,568],{},[280,553,554,557],{},[295,555,556],{},"16 GB oder mehr",[295,558,559],{},"6 GB",[280,561,562,565],{},[295,563,564],{},"8 bis 15 GB",[295,566,567],{},"4 GB",[280,569,570,573],{},[295,571,572],{},"weniger als 8 GB",[295,574,575],{},"die Hälfte davon, mindestens 2 GB",[265,577,578,579,581],{},"Pro Instanz änderst du ihn in den Instanz-Einstellungen → ",[347,580,208],{},". Erlaubt sind 512 MB bis 128 GB.",[583,584,585],"note",{},"Mehr ist nicht immer besser. Mehr als die Hälfte des Arbeitsspeichers deines PCs ist selten sinnvoll – der Rest des\nSystems braucht auch Speicher, und wird er knapp, ruckelt das Spiel. Große Modpacks und Shader brauchen mehr, Vanilla\nbraucht weniger.",[265,587,588],{},"Geht dem Spiel der Arbeitsspeicher aus, schlägt der Absturz-Helfer einen besseren Wert vor und stellt ihn mit einem\nKlick ein.",[269,590,592],{"id":591},"für-fortgeschrittene","Für Fortgeschrittene",[468,594,595,605,611,617,623],{},[344,596,597,600,601,604],{},[347,598,599],{},"Minimaler Arbeitsspeicher"," (",[329,602,603],{},"-Xms",") in den Standard-Einstellungen: der Startwert für Java.",[344,606,607,610],{},[347,608,609],{},"JVM-Argumente",": zusätzliche Argumente für Java, durch Leerzeichen getrennt – global oder pro Instanz.",[344,612,613,616],{},[347,614,615],{},"FPS-Boost beim Start",": abgestimmte Java-Einstellungen für deine Java-Version und deinen Arbeitsspeicher (G1; ab\n12 GB mit Java 21 oder neuer das generationelle ZGC; Speicher wird vorab belegt). Deine eigenen JVM-Argumente gewinnen,\nwo sie sich überschneiden.",[344,618,619,622],{},[347,620,621],{},"Leistungsstarke Grafikkarte",": Das Spiel nutzt auf Laptops die dedizierte Grafikkarte. 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