To modify the home page on Joomla, follow these steps:
1. Log in to your Joomla dashboard.
2. Navigate to Menus > Main Menu
3. Click on Home to open the Home Menu Item.
4. Click on the “Page Display” tab.
5. Here, you can modify the page title, Meta description, and keywords for the home page.
6. You can also modify the main content of the home page by clicking on the “Article options” tab.
7. To add or modify modules (such as a slideshow or a product listing), navigate to Extensions > Modules, find the module you want to modify or add, and edit it as desired.
8. Once you have made your changes, click on “Save” to save the modifications to the home page.
Note that the exact steps may vary depending on your Joomla version or template.