macOS Sequoia blocks installation of pkg files from the shortcut menu.
Click the "Open Anyway" button in the Security section of System Preferences > Privacy & Security.
Run the installation again and click "Open" in the message.
Please agree on data download propose as the following.
【Data Download Purpose】
・The software can only be used with our document cameras.
・Software or documentation files are subject to change without notice.
・All or part of the downloaded file may not be reproduced, modified, distributed, posted, displayed, or uploaded without permission.
・Sales acts such as copying and selling all or part of the downloaded file are strictly prohibited.
・We are not responsible for any damage caused by using or not being able to use downloaded files.