<%NUMBERING1%>.<%NUMBERING2%>.<%NUMBERING3%> PRTG Manual: Available Licenses

PRTG licenses count by sensors. Three different license editions are available.

Trial Edition

The Trial Edition is intended for evaluation purposes:

Monitors an unlimited number of sensors.
Supports all available sensors.

For PRTG Network Monitor, you must request a trial license key. Click the Free Download button on the Paessler website to see the license details and the key.
The Trial Edition of PRTG Network Monitor is limited to 30 days and automatically turns into a Freeware Edition afterward.
PRTG Hosted Monitor provides a 10-day trial. Afterward, your instance is deleted. Upgrade to a Commercial Edition to keep your instance.
Each PRTG Network Monitor license includes one single failover cluster that consists of two cluster nodes. A cluster with two or three failover nodes requires an additional trial license key. A cluster with four failover nodes requires two additional trial license keys.

After the trial period, the PRTG Network Monitor Trial Edition automatically turns into a Freeware Edition that lets you monitor up to 100 sensors for free.

Freeware Edition

The Freeware Edition is a good solution for starters or for private use:

Free for personal and commercial use.
Monitors up to 100 sensors.
Supports all available sensors.

If you want to use the Freeware Edition, install the Trial Edition first and get a trial license key. After the trial period, the Trial Edition automatically turns into a Freeware Edition.

The Freeware Edition is not available in PRTG Hosted Monitor.

Commercial Editions

There are several licenses available that suit the demands of smaller as well as larger customers and organizations:

Monitors a maximum number of sensors (consider our recommendations).
Supports all available sensors.

Each PRTG Network Monitor license includes one single failover cluster that consists of two cluster nodes. A cluster with two or three failover nodes requires an additional license of the same size. A cluster with four failover nodes requires two additional licenses of the same size.

For more information about available commercial licenses, see the Paessler website: Pricing.