Here are the legitimate ways to get older versions:
Since Microsoft no longer officially sells or distributes older versions (like Word 2007, 2010, 2013, or 2016) directly from their main website, you need to follow specific, safe methods to avoid malware. download old version of word
If you don't have a valid product key, don't download old versions. Use LibreOffice or OnlyOffice (free, modern, and compatible) instead of hunting for unsafe old copies. Here are the legitimate ways to get older
: If you still have the original installation DVD for an old version like Office 2010, you can copy the files to a USB drive using a computer with a disc reader to install it on a modern machine. Why You Might Need an Older Version : If you still have the original installation
If you never owned it, you can buy a legitimate unused key for an old version from authorized resellers.