For professional engineering use, directly from IPC. The cost is minor compared to a single BGA reliability failure. If you only need a specific section (e.g., rework or voiding), check if your EMS partner or industry group shares summarized best practices derived from the standard.
If you find a website offering a free PDF download of IPC-7095, it is either: ipc7095 pdf link
Design and Assembly Process Guidance for Ball Grid Arrays (BGAs) For professional engineering use, directly from IPC
IPC is a standards body that sells documents to fund research. An official IPC-7095 PDF costs around depending on membership status. Distributing a free PDF is illegal. For professional engineering use
He clicked through another dead link on a forum—a digital cul-de-sac. Then, he tried one last search query: “IPC-7095 revision C guidelines summary.”