Step 1: Download the ZIP file by pressing the download button. Unzip the file afterwards to the desired location.
Step 2: Copy both files to the Applications folder by selecting and dragging them or using COMMAND+C and COMMAND+V.
Step 3: Adjust the permissions of the Catalina 7.2.3 file so that it can be executed.
- Open a terminal window
- Enter the following commands:
- sudo chmod -R 755 /Applications/Catalina\ 7.2.3.app
sudo xattr -dr com.apple.quarantine /Applications/Catalina\ 7.2.3.app
chmod 777 /Applications/Catalina\ 7.2.3.app
Step 4: Run the file Catalina 7.2.3 by double-clicking on it. Nothing will happen, but this program is to make sure that the First software can run.
Step 5: Run the file 7.2.3. The software should open without any problems. If not, repeat the procedure from step 3.
Step 6: The software is ready to use.