Merge pull request #165 from anusha94/master

updating new installation instructions

Author: tianhao64

README.md

@@ -43,28 +43,11 @@ A Python virtual environment is also highly recommended.
 
 ### Installing Required Python Packages
 
-See example below for specifying the --extra-index-url parameter.
+Be sure to upgrade to the latest pip and setuptools.
 
 ```cmd
-git clone https://github.com/vmware/vsphere-automation-sdk-python.git
-cd vsphere-automation-sdk-python
-pip install --upgrade -r requirements.txt --extra-index-url file:///<absolute_path_to_sdk>/lib
-```
-
-Example pip install command on Mac OSX. 
-
-*NOTE*: Be sure to change username "strefethen" to your username:
-
-```cmd
-pip install --upgrade -r requirements.txt --extra-index-url file:///Users/strefethen/github/vsphere-automation-sdk-python/lib
-or 
-pip install --upgrade -r requirements.txt --extra-index-url file://$PWD/lib
-```
-
-Example pip install command on Windows. 
-
-```cmd
-pip install --upgrade -r requirements.txt --extra-index-url file:\\\C:\Users\strefethen\github\vsphere-automation-sdk-python\lib
+pip install --upgrade pip setuptools
+pip install --upgrade git+https://github.com/vmware/vsphere-automation-sdk-python.git
 ```
 
 **NOTE:** The SDK also requires OpenSSL 1.0.1+ if you want to connect to vSphere 6.5+ in order to support TLS1.1 & 1.2