Adobe blocked Flash content from running after that date for security reasons. Microsoft has also removed Flash Player support from Windows 10 via cumulative updates.
For safety, always run any Flash emulator in a virtual machine or sandbox. I strongly advise against installing the original Adobe Flash Player in 2026. adobe flash player download for windows 10 64-bit
I understand you're looking for Adobe Flash Player for Windows 10 64-bit. However, I must provide an important clarification before proceeding: Adobe blocked Flash content from running after that