- update readme

Author: wizard04wsu

README.md

@@ -10,6 +10,12 @@ This package implements two tree-sitter parsers:
 - [tree-sitter-regex-js](https://github.com/wizard04wsu/tree-sitter-regex-js) for the rest
 
 # Troubleshooting
+### Unable to install on Windows
+Instead of installing it from within Atom, try from the command line.
+
+	cd %USERPROFILE%\\.atom\\packages
+	apm install javascript-regex
+
 ### Failure to load package grammars when I open Atom
 Whenever Atom is updated, this package needs to be rebuilt. Either click the red bug icon in the bottom-right corner of the window, or execute `Incompatible Packages: View` via the command palette. Then, click "Rebuild Packages". You'll have to restart Atom.