These articles will guide you to achieve some typical tasks and answer the most basic 'how-to' questions:
How to Add Your Company Name to the Address Section of the Contact Us Page
How to add Google Adwords Conversion Tracking Code to «Thank you for your order» page
How to add Google Tag Manager code snippets to the store pages
How to remove Transaction ID info from order notification emails
How to restore from a backup file created by Backup Master module
How to set expiration date for static files being served directly by Nginx
How to show 3 categories in a single row on homepage (Crisp White skin)