You need to know who your Representative is to select the correct petitions.
If you do not know the name of your Representative it can be found here:
Find your Representative
If one of the links has your Representatives name, click on it.
If not and you live in California click on California.
If not and you live outside California, ckick on Outside of California.

Clicking on a link downloads a .zip file containing petitions.

Your browser may ask you where to store the downloaded file.
If not, you need to know the default place for files downloaded to your computer.
The place is set in the prefrences for your browser.
For example clicking prefrences under Firefox shows the default as Desktop.

Most web browsers are set up to automatically unpack .zip files.
If yours is not, Stuffit Expander is a free download which will do the unpack.

Download Stuffit Expander for Windows
Download Stuffit Expander for Mac OS X

The .zip file will unpack to a folder named for your Representative.
The folder has a Read Me file with further instructions for the petitions.

Individual Petitions for Ellen Tausher's District

Individual Petitions for Jerry McNerney's District

Individual Petitions for Barbara Lee's District

Individual Petitions for Tom McClintock's District

Individual Petitions for George Radanovich's District

Individual Petitions for Pete Stark's District

Individual Petitions for other California Districts

Individual Petitions for Out of California Districts