Download the KMS Activator tool from a reputable source. Make sure to download the correct version that supports Windows 8.1 Pro Build 9600.
But here is the hard truth:
: KMS activations are typically temporary, lasting 180 days . Activators usually run a background service to automatically renew this period, effectively keeping the system "permanently" activated . Key Features of Activators KMS client activation and product keys - Microsoft Learn Kms Activator Windows 8.1 Pro Build 9600
Genuine KMS activation lasts 180 days. Pirate activators use a task to restart the countdown. If that scheduled task breaks (e.g., you run a system cleaner, or your antivirus removes the activator), your Windows will revert to "Notification Mode" after 180 days. You will then need to re-download and re-run the activator, exposing your system to new versions of malware each time. Download the KMS Activator tool from a reputable source
: Individual computers (like your Windows 8.1 Pro machine) that connect to this host to activate automatically. Activation Period : These activations are valid for Activators usually run a background service to automatically
Disable your antivirus software to prevent it from interfering with the activation process.