Before proceeding with the installation, Make sure you have downloaded the following
- MacOs DMG file. Download it from here
- EFI file from the Repository
- balenaEtcher for flashing MacOS DMG into usb
- Explorer++ for making changes in default EFI partition
- MiniTool Partition Wizard
Once all the required files are downloaded, Follow the below instruction
Open balenaEtcher and click on Select image.
Browse to the folder where you have placed the MacOs DMG file and Select it.
Now click on Select target.
Select the drive in which you would like to flash the Image.
Now Click on Flash and wait for it to flash the drive.
Open MiniTool partiton wizard and Right-Click on the EFI.
Select Change letter and choose assign a letter to the selected EFI volume and Click on the Apply changes present on the top left corner.
Once the changes have been applied, you would be able to see the volume in your file explorer.
Extract the Explorer++ and run it as Administrator.
Browse to the EFI folder on the USB using Explorer++ and delete the Existing files.
Now copy the files from Repository and paste inside the EFI folder present in the USB drive.
Once all the above steps are done, Restart your device and boot from USB drive. You will be entering Clover and Select Install macOS Catalina to install Catalina in your device.