Save the installation medium locally on your computer
In File Explorer, select the installation file and right-click to select "Properties" from the context menu.
Select the "Digital Signatures" tab.
Highlight the signature of "intarsys" and view the "Details" of the signature.
The dialog shows whether the signature is valid. If this is not the case, the installation medium is no longer in its original state. In this case, do not carry out the installation, but contact the manufacturer of the software.
There is also the option of checking the certificate yourself by using "Show certificate" to determine the details of the certificate. The current data of the code signing certificate can be found here here .