**HP printer software** includes drivers and management tools that enable your computer or device to communicate with and control an HP printer. To get the latest and full-featured HP printer software, you should visit the official HP Customer Support website, enter your printer model, and download the appropriate drivers and software package for your operating system[1].

Key points about HP printer software:

– **Printer Drivers:** Essential software that translates data from your computer into a language the printer understands, enabling printing functions[1].

– **HP Printer Assistant/HP Smart App:** Software utilities that let you launch printing, scanning, faxing tasks, monitor supply levels, adjust printer settings, and manage print jobs. The HP app is available for Windows, macOS, and mobile devices, and it requires an HP account for full features like private prints and supply orders[1][5].

– **Full-featured software** is available for most HP printers and includes all functions such as printing, scanning, and device management. You can download this comprehensive package from HP’s support site by selecting your printer model and OS[2][4].

– **Firmware updates**: It is recommended to keep your printer’s firmware updated via HP support resources for optimal performance[1].

– For **macOS users**, HP provides specific printer software updates (e.g., HP 5.1.1 Printer Software Update) compatible with certain macOS versions; newer macOS releases may require alternative drivers or the HP app[1][3][5].

To install HP printer software:

1. Go to HP Customer Support – Software and Driver Downloads.

2. Enter your printer model.

3. Select and download the latest full-featured driver and software package.

4. Follow on-screen installation instructions, which usually include connecting your printer via USB or over the network[1][4].

For mobile or macOS users, installing the **HP app (formerly HP Smart)** provides printing, scanning, supply management, and additional features tailored for those platforms[5].

In summary, to ensure your HP printer functions properly with full features, download the latest complete drivers and management software directly from HP’s official support site, keeping your printer firmware up-to-date and using the dedicated HP software or app relevant to your device and OS[1][2][4][5].