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: Install a PRTG Core Server
Installing PRTG Network Monitor is easy and works like other Windows-based applications. To install PRTG, run the installation setup program from the ZIP file that you have downloaded.
Confirm the question of the Windows User Account Control with Yes to allow the program to install. The PRTG installation dialog will guide you through the installation process.
Select a language for the program and click the OK button. The available language options depend on both your Windows version and the setup file.
Accept the license agreement and click Next .
Enter a valid email address. Your PRTG server will send important and urgent system alerts to this address. Click the Next button to continue.
Enter your license information. You have to provide the License Owner and the License Key exactly as you received it in the email or license document from us, the Paessler AG. We recommend that you use copy&paste to avoid typos. Click Next to confirm.
After installation, PRTG opens the Ajax Web Interface in your system's default browser. Make sure there is Google Chrome 49 or later (recommended), Mozilla Firefox 45 or later, or Microsoft Internet Explorer 11 available on the system, and set as default browser (see System Requirements ).
PRTG will validate your license information during the install process by connecting to the activation server. If you have entered incorrect license information before, PRTG will ask you to re-enter a correct license owner and key. Please enter both License Owner and License Key exactly as received from Paessler. We recommend that you use copy&paste to avoid typing mistakes. For details, please see Enter a License Key .
If you think that you have correctly entered your license information but get a License Invalid message, please contact [email protected].
Knowledge Base: How can I establish a secure web interface connection to PRTG?
Knowledge Base: PRTG blocks port 80 although I'm using SSL on port 443. How to free port 80?