diff --git a/README.md b/README.md
index d6b40af0..8433ae31 100644
--- a/README.md
+++ b/README.md
@@ -1,37 +1,40 @@
-Prezto — Instantly Awesome Zsh
-==============================
+# Prezto — Instantly Awesome Zsh
+
 
 Prezto is the configuration framework for [Zsh][1]; it enriches the command line
 interface environment with sane defaults, aliases, functions, auto completion,
 and prompt themes.
 
-Installation
-------------
+## Prerequisites
 
-Prezto will work with any recent release of Zsh, but the minimum required
-version is 4.3.17.
+Obviously you need to install [Zsh][1]. Prezto will work with any recent release of Zsh, but the minimum required version is 4.3.17.
 
-  1. Launch Zsh:
+## Installation
 
-        zsh
+### Automated installation
 
-  2. Clone the repository:
+`curl -sL https://github.com/sorin-ionescu/prezto/raw/install.zsh | zsh -`
 
-        git clone --recursive https://github.com/sorin-ionescu/prezto.git "${ZDOTDIR:-$HOME}/.zprezto"
+### Manual installation:
 
-  3. Create a new Zsh configuration by copying the Zsh configuration files
-     provided:
+```bash
+# 1. Launch Zsh:
+zsh
 
-        setopt EXTENDED_GLOB
-        for rcfile in "${ZDOTDIR:-$HOME}"/.zprezto/runcoms/^README.md(.N); do
-          ln -s "$rcfile" "${ZDOTDIR:-$HOME}/.${rcfile:t}"
-        done
+# 2. Clone the repository:
+git clone --recursive https://github.com/sorin-ionescu/prezto.git "${ZDOTDIR:-$HOME}/.zprezto"
 
-  4. Set Zsh as your default shell:
+# 3. Create a new Zsh configuration by copying the Zsh configuration files provided:
+setopt EXTENDED_GLOB
+for rcfile in "${ZDOTDIR:-$HOME}"/.zprezto/runcoms/^README.md(.N); do
+  ln -s "$rcfile" "${ZDOTDIR:-$HOME}/.${rcfile:t}"
+done
 
-        chsh -s /bin/zsh
+# 4. Set Zsh as your default shell:
+chsh -s /bin/zsh
 
-  5. Open a new Zsh terminal window or tab.
+# 5. Open a new Zsh terminal window or tab.
+```
 
 ### Troubleshooting
 
@@ -67,21 +70,21 @@ accompanying README files to learn of what is available.
 
      ![sorin theme][2]
 
-Customization
--------------
+## Customization
+
 
 The project is managed via [Git][3]. It is highly recommended that you fork this
 project; so, that you can commit your changes and push them to [GitHub][4] to
 not lose them. If you do not know how to use Git, follow this [tutorial][5] and
 bookmark this [reference][6].
 
-Resources
----------
+## Resources
+
 
 The [Zsh Reference Card][7] and the [zsh-lovers][8] man page are indispensable.
 
-License
--------
+## License
+
 
 (The MIT License)
 
diff --git a/install.zsh b/install.zsh
index a5a09ef3..d33e320e 100755
--- a/install.zsh
+++ b/install.zsh
@@ -1,7 +1,6 @@
 #!/usr/bin/env zsh
 setopt PIPEFAIL
 setopt EXTENDED_GLOB
-# setopt XTRACE prompt_subst
 
 ## Ensure colors are available.
 autoload -U colors && colors
@@ -9,22 +8,6 @@ autoload -U colors && colors
 PREZTO_DIRECTORY="${ZDOTDIR:-$HOME}/.zprezto"
 PREZTO_GIT_REMOTE="https://github.com/ezintz/prezto.git"
 
-function is_osx {
-  if [[ "$OSTYPE" != darwin* ]]; then
-    return 1
-  fi
-
-  return 0
-}
-
-function is_linux {
-  if [[ "$OSTYPE" != linux* ]]; then
-    return 1
-  fi
-
-  return 0
-}
-
 function print_header {
   printf "\n${fg[blue]}%s${reset_color}\n" "$@"
 }
@@ -63,14 +46,9 @@ function is_confirmed {
   return 1
 }
 
-function cleanup {
-  print_header "Cleanup"
-}
-
 TRAPINT() {
   print ""
   print_error "Caught SIGINT, aborting."
-  cleanup
   return $(( 128 + $1 ))
 }