Yes. You’ll need an active SMART subscription to purchase and use Windows keys.
Each time a key is injected, SMART automatically generates and submits a Computer Build Report (CBR) to Microsoft to ensure full compliance. This report includes essential hardware information to bind the key to that device, no personal data from the device is ever submitted during the injection process.
Subscribing to SMART on the Pay As You Go plan is completely free, giving you instant access to purchase and inject keys without any upfront cost.