Step by Step,
1. install python 2.7
2. install pip (python get-pip.py)
Reference Site: Click this LinkDownload get-pip.py file: Click this Link
3. pip install robotframework
4. pip install robotframework-ride
Reference Site: Click this Link
5. install wxpython 2.8, wxPython2.8-win32-ansi-2.8.12.1-py27.exe
Reference Site: Click this Link
6. Run ride.py
Full Path ==> c:\Python27\python.exe c:\Python27\Scripts\ride.py