Software requirements:

• Apache 2
• PHP 5.2+ (GD support, mod_rewrite,curl,gettext)
• MySql 5+

How to install 1.7.X

• Download
• Unpack
• Run the installation in http://yourdomain.com/install/
• Follow the steps
• Working!

How to upgrade from previous version to 1.7.X

• Make backups for everything
• Do same as install
• Then run http://yourdomain.com/install/upgrade.php
• Check your site ;)

Themes Installation:

• Download the compressed file
• Uncompress in the folder /theme/
• Go to the admin area and change the looks and feel

If you need help please use the forum, I will not answer emails.