Welcome to Key Store!
Windows 8.1 Pro Key | Windows 8.1 Pro
- The product key is sent to the customer - via text message - within 15 seconds from the time of the payment process
- One-time payment for one PC
- The product key works an unlimited number of times on the same device even after a device reset (format).
- Activation method: Go to Settings > Activation > Change Product Key > Add the key (copy-paste to avoid typing it the wrong way) - see this explanation of how to activate -