install subversion on windows 7
step1: http://www.sliksvn.com/en/download

download subversion


step 2:

TortoiseSVN
TortoiseSVN integrates very nicely with the Windows Explorer and has been a "must have" for a long time.
TortoiseSVN downloads

step 3:
Subclipse
Subclipse is a great plug-in for Eclipse (including Eclipse PDT and Zend Studio for Eclipse). It can be installed and updated from within Eclipse.
Go to Help | Software Updates | Find and Install...
Choose Search new features to install, Next.
Choose New Remote Site, enter name "Subclipse" and URL "http://subclipse.tigris.org/update_1.8.x".
Select the created "Subclipse" site and click Next.
Follow the instructions and restart the workbench.