I've just downloaded WP 3.6 for the first time, but can't work out how to install. I've opened the WP folder and then the 'Readme' file. From here, I clicked the link "wp-admin/install.php", but just got the error page "file not found".
Following the Readme file, it suggests that, if the above doesn't work, "Open up wp-config-sample.php with a text editor". But I don't know how to do that.
I am using Firefox on a PC with Windows 7, and would appreciate some help.