Delphi 2021.10b is known for being relatively "light" on system resources. It runs smoothly on older Windows laptops (Windows 7, 8, or 10) often found in greasy workshop environments.
The 2021.10b combination became a for many teams. It represented Delphi 10.4 Sydney fully matured—after the initial rush of Update 1 (August 2020) and the more substantial Update 2 (December 2020), plus subsequent quality-of-life fixes.
Minimum 512 MB (4 GB or higher recommended for continuous live data graphing).
Tests individual actuators like fuel pumps and cooling fans.