Hello Hani_Salam. I understand you are looking for an 8.1 driver for this computer, and I will do my best to assist you! I need you to understand that there are no direct 8.1 drivers for this notebook, as indicated here. However, you can still try updating all of your drivers with HP Support Tools. In regards to the last step, please understand you can still perform these steps, even though the documentation is intended for Windows 7.
In addition to this, please ensure all Windows updates are complete.
Please respond at your earliest convenience. If this information helped you, please mark this post with a Kudos and Accepted Solution, so others can locate this information easily.
I'm only here to help!
Mario