To start And compile this launcher you must install Flet, random username, uuid lib
"pip install flet"
"pip install random-username"
"pip install uuid"
and minecraft launcher lib
"pip install minecraft-launcher-lib"
To start launcher you must open Launcher.py file
To compile you must install pyinstaller
"pip install pyinstaller"
go to the launcher folder and enter
"pyinstaller "File name.py" -onefile -noconsole"