This article provides information on generating the download file when the Report Designer add-in needs to be reinstalled for Private Host 5.2.307 and older instances.
Web browsers such as Chrome and Edge may not initiate a download prompt. Currently, the download prompt appears to only initiate within Mozilla Firefox web browsers.
If downloading and/or utilizing Mozilla Firefox is not an option, you should be able to generate the download file by using:
(your Private Host URL)/reportdesigner/download
within your web browser address bar.