Windows should detect the hardware and attempt to install the built-in driver.
Understanding the hardware can help you troubleshoot why a driver might not be performing as expected. HP Thermal Inkjet Connectivity USB 2.0 High Speed Resolution
If the printer is showing as an "Unknown Device," you can force an update through the Device Manager . Right-click > Manage > Device Manager . Find your printer under "Other devices" or "Printers." Right-click it and select Update Driver Software . Windows should detect the hardware and attempt to
A: Yes, but you must download the 64-bit version of the driver. The 32-bit driver will not work.
Leave a comment below, or visit HP’s community forums where legacy printer enthusiasts share driver archives and installation tips. Right-click > Manage > Device Manager
Always scan downloaded files with Windows Defender or an antivirus before running. Avoid “driver updater” software that asks for payment.
The primary challenge today is not that the driver does not exist, but that HP no longer prioritizes its distribution. A user searching the official HP Support website will often be redirected to a generic page suggesting newer printer models or the universal "HP Print and Scan Doctor" utility. While this utility can sometimes auto-detect and install a basic driver, it is not guaranteed to work for a printer as old as the 3745. Moreover, the original driver CDs that shipped with the printer are useless for modern computers that lack optical drives, and even if one has an external drive, the CD’s drivers were typically designed for Windows XP or Vista, not 64-bit versions of Windows 7. Therefore, the user must turn to alternative, yet careful, methods. The 32-bit driver will not work
The is a reliable, entry-level color inkjet printer known for its compact design and simple functionality. While it is a "legacy" device—meaning HP has officially retired it—you can still get it running on Windows 7 (both 32-bit and 64-bit) by using built-in Windows features or alternative drivers. Key Driver Download and Installation Methods