To run these x64 extensions, your system should meet the standard requirements for ArcGIS Desktop 10.8.x or ArcGIS Pro : Windows 10 or 11 (64-bit). Processor: Multi-core Intel/AMD (Xeon recommended).

4GB minimum; 8GB–32GB recommended for complex spatial tasks. Disk Space: Approximately 15GB–32GB of free space. Installation & Activation Guide ArcGIS Pro Extensions - Esri

The download titled typically refers to a bundled package of supplemental tools for ESRI ArcGIS Desktop 10.8.2 or ArcGIS Pro hosted on the software sharing site Kuyhaa-me. These extensions add specialized Geographic Information System (GIS) capabilities such as 3D analysis, spatial modeling, and network routing. Core Components Included

For advanced modeling and spatial analysis.

Enables no-code integration with various data formats. System Requirements (x64)

Tools for advanced statistical investigation.

For surface generation and 3D data analysis.