thefrench77

@echo off
SET st2Path=C:\Program Files\Sublime Text 3\sublime_text.exe

rem add it for all file types
@reg add "HKEY_CLASSES_ROOT\*\shell\Open with Sublime Text 3"         /t REG_SZ /v "" /d "Open with Sublime Text 3"   /f
@reg add "HKEY_CLASSES_ROOT\*\shell\Open with Sublime Text 3"         /t REG_EXPAND_SZ /v "Icon" /d "%st2Path%,0" /f
@reg add "HKEY_CLASSES_ROOT\*\shell\Open with Sublime Text 3\command" /t REG_SZ /v "" /d "%st2Path% "%%1"" /f

rem add it for folders
@reg add "HKEY_CLASSES_ROOT\Folder\shell\Open with Sublime Text 3"         /t REG_SZ /v "" /d "Open with Sublime Text 3"   /f

thefrench77

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\Directory\Background\shell\msys2_zsh]
@="MSYS2 Shell here"

[HKEY_CLASSES_ROOT\Directory\Background\shell\msys2_zsh\command]
@="c:\\msys64\\usr\\bin\\mintty.exe /bin/sh -lc 'cd \"$(cygpath \"%V\")\"; exec zsh'"

[HKEY_CLASSES_ROOT\Folder\shell\msys2_zsh]
@="MSYS2 Shell here"