Update readme
diff --git a/README.md b/README.md
index 1ad69a7..8ba9777 100644
--- a/README.md
+++ b/README.md
@@ -7,22 +7,50 @@
   - remove user defined elements from image
   - build single version of OS image for multiple hypervisors
 
-### Usage
+## Features
 
-#### Configuration
+### Operating Systems
 
-Source the config script and set prefered parameters for build
+  - Ubuntu 14.04
+
+### Providers
+
+  - qemu
+  - docker
+  - virtualbox
+  - vagrant/libvirt
+  - vagrant/virtualbox
+  - digitalocean
+
+## Usage
+
+### Install Packer
+
 ```sh
-. ./config.sh
+PACKER_URL="https://dl.bintray.com/mitchellh/packer/packer_0.8.2_linux_amd64.zip"
+PACKER_ZIP=$(basename ${PACKER_URL})
+PACKER_ZIP_MD5="bc37abe5e183a11bd8c1b2efc385059b"
+
+mkdir -p ~/bin/packer
+cd ~/bin/packer
+export PATH="${PATH}:~/bin/packer"
+
+wget -O ${PACKER_ZIP} ${PACKER_URL}
+echo "${PACKER_ZIP_MD5}  ${PACKER_ZIP}" >> md5sum
+md5sum -c --status md5sum
+
+unzip ${PACKER_ZIP}
 ```
+
 ### Image build
 
 Enter build directory by selecting OS type and version.
 You should see file **template.json**.
 
 Start building some images:
+
 ```sh
-packer build template.json 
+packer build -only=virtualbox-iso template.json
 ```
 
 ### Development
@@ -33,7 +61,4 @@
 
 ### Notes
 
-- see *Changelog.md* file for supported builders and operating systems
 - some builders cannot work at the same time (by design)
-
-