The release timeline for Microsoft Office skipped from Office 2013 directly to Office 2016 (which was released in the second half of 2015).
If you are looking for a free download for the 64-bit version of the software released around that time, here is the correct information and the safe way to get it:
No. Torrents for non-existent software are almost always malware. There is zero safe torrent for “Office 2015” because the software never existed. Microsoft Office 2015 Free Download 64 Bit
VirusTotal scans of files labeled "Office2015_x64_Free.exe" routinely show 30-50% detection rates for malware. Even if your antivirus doesn't catch it initially, the risk is extremely high.
If you still want to try a legitimate 64-bit Microsoft Office trial (as close as possible to the non-existent "Office 2015"): The release timeline for Microsoft Office skipped from
www.microsoft.com/en-us/microsoft-365/tryFor an older version (like Office 2016 64-bit trial), search for "Office 2016 Deployment Tool for IT Pros" on Microsoft’s website.
If you’ve been searching for “Microsoft Office 2015 free download 64 bit,” you’re not alone. Thousands of users look for this exact phrase every month, hoping to get Microsoft’s powerful productivity suite without paying. But there’s a critical problem: Microsoft Office 2015 does not exist. Step-by-Step: How to Download a Safe 64-Bit Office
In this in-depth article, we’ll explain where the “Office 2015” idea comes from, why you should avoid most “free download” sites, and how to legally install a full-featured 64-bit version of Microsoft Office on your Windows PC—often at no cost.
Since Office 2016 was released in 2015, this is likely the "useful piece" you are looking for.
Important Note on "Free": Microsoft Office is paid software. While you can download the installer for free, you must purchase a valid product key to activate it. Be wary of websites claiming to offer the software for free with "cracks" or "activators," as these often contain malware.
Safe Download Method: To ensure you get a clean, virus-free 64-bit installer, you should download the official IMG/ISO files directly from Microsoft or a trusted repository.