Screencapture with OCR with Tesseract for the backend and Sciter for the front.
Hover a transparent window over the part of the screen you want to capture at regular intervals, and have OCR results outputted to a text file.
The OCR results are outputted to a textfile named output.txt.
Install Vcpkg.
Run vcpkg.exe vcpkg install tesseract:x64-windows-static.
Download the file sciter.dll and place it in this folder. See the Sciter license.
Download the file eng.traineddata and place it in this folder.
Install the Rust toolchain.
Run RUSTFLAGS=-Ctarget-feature=+crt-static cargo run.
When done, click the X button to close the program and you may then view the results in output.txt.