Also, Activating Windows using any third-party tools might be against Microsoft terms. For educational & general understanding.
If you purchased a retail copy of Windows 8.1 Pro, or if your computer originally shipped with Windows 8.1 Pro, you can use the 25-character product key to activate the OS. Download Activator Windows 8.1 Pro Build 9600 64 Bit
If you have a legitimate reason to use an activation tool (such as testing in a virtual machine environment), here is the general process for tools like KMSpico: Also, Activating Windows using any third-party tools might
Many laptops and PCs that originally came with Windows 8 or 8.1 have a digital license embedded in the BIOS. Automatic Activation If you have a legitimate reason to use
It is highly recommended to use official methods for activation to avoid malware, viruses, and legal issues. 1. Using a Genuine Product Key (Recommended)