2.24.rar: Portable Getdata Graph Digitizer

I notice you're asking for a review of a .rar file containing "GetData Graph Digitizer" version 2.24 — specifically a portable version.

Extract points:

Rotate/De-skew: If the scan is crooked, use the "Rotate" tools first; otherwise, your coordinate system will be skewed. Portable GetData Graph Digitizer 2.24.rar

Crop tightly to the plot area.
Increase contrast if axes or lines are faint.
Correct rotation or perspective skew before loading if possible.