The installing page shows below:
Installing SilverStripe...
I am now running through the installation steps (this should take about 30 seconds)
If you receive a fatal error, refresh this page to continue the installation
Creating 'mysite/_config.php'...
Creating D:\Program Files\Apache Software Foundation\Apache2.2\webapp\SilverStripe\mysite/_config.php
Creating '.htaccess' file...
Creating D:\Program Files\Apache Software Foundation\Apache2.2\webapp\SilverStripe\.htaccess
Building database schema...
Checking that friendly URLs work...
Friendly URLs are not working. This is most likely because mod_rewrite isn't configuredcorrectly on your site. Please check the following things in your Apache configuration; you may need to get your web host or server administrator to do this for you:
mod_rewrite is enabled
AllowOverride All is set for your directory