SharePoint 2013 Foundation 2013 RTM is now available for download. You can do so from:
http://www.microsoft.com/en-us/download/details.aspx?id=35488
Here’s a walk through of the installation process
Launch the downloaded file and it will expand files
Next the splash screen will be displayed. Select Install software prerequisites.
Click Next.
Accept the terms of the License Agreement and press Next.
The server will be configured, additional roles will be added.
The first phase will complete and you will need to reboot.
After you reboot and log back into the system the process will continue.
Pre-requisite programs will be downloaded and installed.
The next phase will complete and you will need to reboot again.
After you reboot and login you will see the summary screen (above) detailing that everything is complete.
Run the downloaded file again and this time select Install SharePoint Foundation.
The process will commence.
Accept the terms of the agreements and press Continue.
Specify a location for search index files. Best bet is not to install these on a boot partition. Press Install Now when complete.
The SharePoint binaries will now be installed.
Leave the box checked to run the Products Configuration Wizard. Press Close to continue.
Press Next to continue.
Note, the process will start and stop IIS which may affect other users. Select Yes to continue.
Select the option to Create a new server farm and press Next to continue.
Enter the database details and login. Press Next to continue.
Enter the farm passphrase (and don’t forget it!). Press Next to continue.
Press Next to continue.
Verify the details and press Next proceed.
The wizard will now go through its 10 step configuration phase.
When successfully complete you’ll see a summary page. Press Finish to complete.
Select whether you wish to participate in the Customer Experience Program.
Normally you don’t want to run the wizard here but for the sake of this walk through we will.
Enter a service account and press Next.
Enter the details for the site collection.
Process is complete, press Finish.
Interesting, Central Administration has a few more options.
Open a new browser window and enter the URL of the site and in a few moments you should see SharePoint 2010 Foundation up and running.