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.TH "prismlauncher" "6" "2026\-07\-16"
.PP
.PP
.SH NAME
.PP
prismlauncher \- a launcher and instance manager for Minecraft.\&
.PP
.PP
.SH SYNOPSIS
.PP
\fBprismlauncher\fR [OPTIONS.\&.\&.\&]
.PP
.PP
.SH DESCRIPTION
.PP
Prism Launcher is a custom launcher for Minecraft that allows you to easily manage
multiple installations of Minecraft at once.\& It also allows you to easily
install and remove mods by simply dragging and dropping.\&
Here are the current features of Prism Launcher.\&
.PP
.SH OPTIONS
.PP
\fB\-d, \-\-dir\fR=DIRECTORY
.RS 4
Use DIRECTORY as the Prism Launcher root.\&
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.RE
\fB\-l, \-\-launch\fR=INSTANCE_ID
.RS 4
Launch the instance specified by INSTANCE_ID.\&
.PP
.RE
\fB\-\-show\fR=INSTANCE_ID
.RS 4
Show the configuration window of the instance specified by INSTANCE_ID.\&
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.RE
\fB\-\-alive\fR
.RS 4
Write a small '\&live.\&check'\& file after Prism Launcher starts.\&
.PP
.RE
\fB\-h, \-\-help\fR
.RS 4
Display help text and exit.\&
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.RE
\fB\-v, \-\-version\fR
.RS 4
Display program version and exit.\&
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.RE
\fB\-a, \-\-profile\fR=PROFILE
.RS 4
Use the account specified by PROFILE (only valid in combination with \-\-launch).\&
.PP
.RE
.SH ENVIRONMENT
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The behavior of the launcher can be customized by the following environment
variables, besides other common Qt variables:
.PP
\fBQT_LOGGING_RULES\fR
.RS 4
Specifies which logging categories are shown in the logs.\& One can
enable/disable multiple categories by separating them with a semicolon (;).\&
.PP
The specific syntax, and alternatives to this setting, can be found at
https://doc.\&qt.\&io/qt\-6/qloggingcategory.\&html#configuring\-categories.\&
.PP
.RE
\fBQT_MESSAGE_PATTERN\fR
.RS 4
Specifies the format in which the console output will be shown.\&
.PP
Available options, as well as syntax, can be viewed at
https://doc.\&qt.\&io/qt\-6/qtglobal.\&html#qSetMessagePattern.\&
.PP
.RE
.SH EXIT STATUS
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\fB0\fR
.RS 4
Success
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.RE
\fB1\fR
.RS 4
Failure (syntax or usage error; configuration error; unexpected error).\&
.PP
.RE
.SH BUGS
.PP
https://github.\&com/PrismLauncher/PrismLauncher/issues
.PP
.SH RESOURCES
.PP
GitHub: https://github.\&com/PrismLauncher/PrismLauncher
.PP
Main website: https://prismlauncher.\&org
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.SH AUTHORS
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MultiMC & Prism Launcher Contributors