Please allow up to 24 hours to receive your download link email. We recommend that saving your presets as we cannot resend the product to you once the download link expires in 7 days. Due to the digital nature of this product, no exchanges or refunds can be made. The mobile presets are in .dng format and can only be used on the Lightroom App. Any unauthorized sharing, copying, and reselling of the Silvia Njoki Presets is prohibited.