How do I use street view on Google Earth?

I have above view. How to get to street?How do I use street view on Google Earth?
If you want to use street view on Google Earth you have to download the latest version of Google Earth.



The latest version of Google Earth is v 4.3(beta), you can download it from

http://earth.google.com/



or



you can go to Google Earth, click on the "help menu" then click on "Check for Updates online" which will automatically update it for you.



PS:

Click on Help in Google Earth then Click "About Google Earth" to check if you have the latest version.How do I use street view on Google Earth?
street view works in only some cities in different continents, and can be found on google maps. a city that has street view will have a blue halo around the streets. there will be a person that will represent "yourself", and then you can drag the person around to view different streets