Here is the content assembled from your request. It provides the direct link to the Pimsleur Russian audio courses on the Internet Archive, along with key details and access notes.
Public Libraries: Many libraries offer Pimsleur through the Libby/OverDrive app or as physical CDs. pimsleur russian internet archive link
Example of a legitimate find: You might find "Pimsleur Russian I (abridged)" from a user who recorded only 10 lessons for personal use. That is still copyright infringement, but less likely to be targeted. Here is the content assembled from your request
Title: A fantastic free resource for building real Russian speaking skills pimsleur russian internet archive link
Subject: pimsleur russian internet archive link