If you tell me more, I can give you a more specific guide.
For correcting architectural photos, select Effect > Live unskew keystone correction . GraphicConverter 11.8.0 (5756)
If you tell me what you are looking to do, I can provide a more tailored guide: or renaming files? Editing (unskewing, editing EXIF data, resizing)? Browsing and organizing images? Videos - Lemke Software If you tell me more, I can give you a more specific guide