The safest way to get the correct driver for free is through official channels. Avoid third-party "driver updater" sites which may bundle unwanted software.
Intel® Network Adapter Driver for Windows 7* - Final Release hp network adapter driver windows 7 64-bit free download
: Visit the HP Software and Driver Downloads page. You can enter your laptop or desktop serial number to find the exact network drivers matched to your hardware. The safest way to get the correct driver