Its an important step before we can start working with raspberry pi
install all the following software to proceed.
following are the required software that are available free to download
1) Advanced ip scanner -
http://www.advanced-ip-scanner.com
2) Putty -
http://www.putty.org
3) VNC Viewer -
https://www.realvnc.com/en/connect/do...
4) SD card Formatter -
https://www.sdcard.org/downloads/form...
These softwares are required for all the raspberry pi
you may also need additional hardware like wifi adapter for raspberry pi with no wifi module.