1. Download the delivered .zip file to your pc. 2. Make a backup of your current Minecraft Bedrock Region folder. 3. Open the Minecraft Bedrock Edition and click on "PLAY", then click the icon that reads "IMPORT" on the Play screen. 4. Navigate to the region_replace.zip and select it to import. 4. Move the files contained in the downloaded ZIP file to the folder you just backuped.
Please DO NOT copy these files to any other world than the one you uploaded to Craftplicator.