It looks like you’re referencing a specific file naming convention — possibly for a disk image, virtual machine, or software installer — with a mix of Windows platform (x64), date (June 2015), and a version string (11.20.x5.10).
when using this software on Windows Server 2003/2008 to maintain full functionality with the MPIO driver Performance Stability disk-sm-windows-x64-jun-2015-version-11.20.x5.10
The progress bar began to crawl. 1%... 5%... 100%. The "June 2015" ghost had reached across a decade to bridge a gap the modern software couldn't see. It looks like you’re referencing a specific file