Acrobat 9 was developed years before Windows 10 existed and is with the operating system. While some users have successfully installed it by using "Windows 7 Compatibility Mode" or running as an administrator, it often suffers from stability issues, such as: Broken file previews in Windows Explorer. Incompatibility with modern versions of Microsoft Office. Frequent crashes after Windows updates. Products and technical support periods - Adobe Help Center
Adobe Acrobat 9 Pro Extended, released in June 2008, was once a premier tool for professional PDF management and 3D content. However, users seeking a "free download" for Windows 10 should be aware of several critical modern security and compatibility risks. adobe acrobat 9 pro extended free download for windows 10
Adobe officially for the Acrobat 9 family on June 26, 2013 . Because it has been out of support for over a decade, it no longer receives: Security patches or bug fixes. Technical support from Adobe. Official downloads from Adobe's website. Windows 10 Compatibility Acrobat 9 was developed years before Windows 10