Paste your purchased license key into the designated field.
: For non-critical assets, increase the polling interval from 60 seconds to 5 or 10 minutes. While this doesn't save sensor count, it dramatically reduces the hardware load on your PRTG core server. prtg network monitor license key full
: Visit the Paessler Trial Page to receive a key via email. Paste your purchased license key into the designated field
: Once the trial period ends, the software automatically reverts to a Freeware Edition . This version is "full" in terms of capabilities (dashboards, mobile apps, alerts) but is restricted to 100 sensors , which is enough to monitor roughly 10–20 devices. Commercial Licensing Options (2026) : Visit the Paessler Trial Page to receive a key via email
PRTG Network Monitor offers several types of licenses, including:
PRTG's free version offers . For many small businesses, this is sufficient. If the sensor count is slightly exceeded, the software will continue to work but will show a warning banner.
For environments exceeding 100 sensors, you must purchase a license based on the number of sensors required. PRTG transitioned from a perpetual model to an . License Tier Max Sensors Approx. Devices Estimated Annual Price PRTG 500 PRTG 1000 PRTG 2500 PRTG 5000 PRTG 10000 PRTG Manual: Available Licenses - Paessler