If you cannot find the distribution page, the URL usually follows this pattern for the FTP server: get.adobe.com/reader/enterprise/ This page specifically provides the large executable files (approx. 150MB–200MB+) rather than the small 1MB stub files.
The 64-bit application is now a unified installer for both Acrobat Pro and Reader; it will function as Reader unless you log in with a paid subscription. Click "Download Now": If you cannot find the distribution page, the