If you are a git user, you can install the theme and keep up to date by cloning the repo:
git clone https://github.com/dracula/delphi.git
Download using the GitHub .zip download option and unzip them.
- Open folder according to your installed Delphi version (supported versions 10.4 and 11.0)
- Select and double click file
Dracula.NN.0.reg - Start Delphi
- Boom! It's working.