The page below is from the manual of PRTG, our quick-to-install and easy-to-use network monitoring software
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PRTG Manual: Download PRTG
You can find the installer for PRTG on our website https://www.paessler.com. There you can also login to the Paessler shop to buy or upgrade your license, or to renew your maintenance.
Please download the latest publicly available program version from the Paessler website. Simultaneously, you will receive a trial key. Enter this license key during the installation of PRTG. If you have already purchased a commercial license, use your commercial key. Please log in to the Paessler website to find your license key,
Every freeware installation starts as a trial version that allows you to use an unlimited number of sensors for 30 days. After the trial period has expired, your installation automatically reverts to the freeware edition with 100 sensors. Please understand that customers with a commercial license get prioritized support.
To upgrade your running trial or freeware version to a commercial edition, please purchase a commercial license key on https://shop.paessler.com and enter this key on the license page in the PRTG web interface.
Updates are free to customers with an active maintenance contract. If you do not have an active maintenance contract, please log in to the Paessler shop to renew it or contact [email protected].
Note: Once installed, the PRTG Software Auto-Update will automatically download and install new software versions. This helps you keep PRTG up to date without manually installing new PRTG versions..