While Encarta was not designed specifically for Windows 7, you can often get it working by following these steps for installation and compatibility: Unable to install Microsoft Encarta 2001 on windows 7
In a world of live-edited wikis and algorithmically generated search snippets, Encarta offers something radical: microsoft encarta download for windows 7
Once you have located the setup files (usually an ISO file or a ZIP archive), follow these instructions to get it running. While Encarta was not designed specifically for Windows