First you will need to download the installation file from www.mozilla.com and save it to your pc

You can run the installation file by double-clicking on the file name or icon that you have just downloaded

You will then see the Welcome window

Click Next to start the installation procedure

You will be asked to confirm your agreement to the Software Licence

Click the Accept option and then the Next' button

I would recommend you choose the 'Standard' installation option

Click 'Next'

This summary of the items to be installed will appear

Click Next to commence the installation to your pc

Once installed, the Install Complete window will appear (this may take short while)

Click Finish to launch your newly installed program