Download the latest drivers, utilities and firmware. If you upgrade from Windows® 7 or Windows® 8.1 to Windows® 10, some features of the installed drivers .ATI Radeon HD 5450 - Windows 7 (64-bit) driver download. All the latest for free from Software Patch. Extensive database updated regularly with new versions.Drivers Downloads Arcelik 1XD-ARCELIK 5450 for Windows 7 64-bit Official driver NEC PC-LS550F26B for Windows 7 64 for Windows 7 64-bit; software update.uol.com.br/Official-software-update-Arcelik-1XD-ARCELIK-5450-for-Windows-7-64-bit.html]Official software update Arcelik 1XD-ARCELIK 5450 for Windows 7 64-bit.HP iPAQ h5450 Pocket PC · HP iPAQ h5450 Pocket PC How can I tell if my Windows operating system is 32-bit or 64-bit? (opens help in a new layer).