[PS: As part of consolidation, I am moving all my Dotnetnuke & SharePoint related blog post from http://www.laksha.net/Dotnetnuke.aspx to http://blog.laksha.net.]
Following are the screenshot of latest Dotnetnuke 05.01.00 Beta release installation wizard. This is a fresh install of Dotnetnuke 05.01.00 Beta.
Note: To download, please go to the www.dotnetnuke.com and login to the website. If you do not have an account then create a new account. You can also use your Live Id (previously known as Passport id). Click at Download button and then click at DotNetNuke Beta Testing Program.
Select custom and click at Next button.
Click on Test Permission to verify you have setup correct permissions. You should have given either full rights of modify rights to Network Service account.