Update README.md

Simplify installation instructions

README.md

@@ -1,26 +1,12 @@
 # Extra Keyboards for Chrome OS
 
-A collection of extra keyboard layouts and input methods for Chrome OS. Each
-directory is its own Chrome extension.
+A collection of extra keyboard layouts and input methods for Chrome OS.
 
 ## Installation
-### GitHub
-
-1. Go to chrome://extensions.
-2. Click on "Load unpacked extensions...".
-3. Pick the directory containing the manifest for the extension you want to
-enable.
-4. Logout and then login again. (This may not be necessary.)
-5. Go to chrome://settings/languages.
-6. Add the relevant language, e.g. French for the bepo keyboard layout.
-7. Select the relevant keyboard layout and input method.
-8. Optionally, remove any keyboard layouts or input methods that are no longer
-required.
 
 ### Chrome Web Store
 
 Several of the extensions are available on the [Chrome Web Store](http://chrome.google.com/webstore/).
-Note that the version on the webstore may not be as up-to-date as on GitHub.
 
 - [ComposeKey](https://chrome.google.com/webstore/detail/composekey/iijdllfdmhbmlmnbcohgbfagfibpbgba)
 - [UK Extended](https://chrome.google.com/webstore/detail/uk-extended/pkbdliadhfopgfdhbldifaakplenbpnd)
@@ -33,11 +19,19 @@ Note that the version on the webstore may not be as up-to-date as on GitHub.
 - [Lushootseed](https://chrome.google.com/webstore/detail/lushootseed/bdcecklhaeiniooomgajkefmnghopnpk)
 - [UK Colemak](https://chrome.google.com/webstore/detail/nionfllpgckhdmcecikpfkonedlmlnop) (published by third party)
 
+## For development
+
+1. Go to chrome://extensions.
+2. Click on "Load unpacked extensions...".
+3. Pick the directory containing the manifest for the extension you want to
+enable.
+
 ## How to Use
 
+1. In Chrome OS settings, [Add input method](https://support.google.com/chromebook/answer/1059492) under 'Advanced / Languages and inputs'.
 1. Press Ctrl + Shift + Space to cycle through the enabled keyboard languages.
 2. Type away…
 3. Ctrl + Space to toggle between the most recently used keyboard languages.
 
 ## Known Limitations
-- These extensions are not allowed on the login/lock screen. (https://crbug.com/1192290)
+- Custom keyboard layouts installed by extension are not available on the login or lock screen. (https://crbug.com/1192290)