: You must have ArcGIS Pro 2.9 already installed on your system before applying this patch.
The was released on October 20, 2022 , primarily to address critical stability issues, including crashes caused by specific Microsoft .NET updates. Download and Installation Guide
Because patches are cumulative, 2.9.5 includes all bug fixes and security enhancements from previous patches (1 through 4).
Check if or 2.9 Patch 4 is listed instead. Sometimes Esri skips or renumbers patches.