Microsoft provides generic installation keys (also called default keys) that allow you to install Windows 8.1 Pro but it. For Build 9600 Pro, the generic key is:
If you have Windows 8.1 Pro Build 9600 (not the Retail version), you can use a KMS (Key Management Service) server. This is intended for businesses with hundreds of machines. Activate Windows 8.1 Pro Build 9600
0xC004C003: This usually means the product key is invalid or has been blocked by the activation server.0xC004F074: This indicates a problem with the Key Management Service (KMS) if you are on a corporate network.0x8007232B: This often points to a DNS issue or a missing network connection. Why Activation Matters 0xC004C003: This usually means the product key is
Drop it in the comments below, and we’ll help troubleshoot your Windows 8.1 Pro Build 9600 activation issue. Activate Windows 8.1 Pro Build 9600