If you're looking to Download Canon DPP Express on your Chromebook laptop Then read the following guideline.

Canon Digital Photo Professional Express (Canon DPP Express) is an iPad/iPhone application to color edit RAW images with intuitive touch operation to be converted to JPEG file afterwards. To continue using all Digital Photo Professional Express features, you must complete the (paid) subscription process. Once you subscribe, - Your image adjustments will be recorded. - You will be able to export images without watermarks. [Key Features] - Adjust RAW images freely. - Quickly and easily adjust RAW images anywhere, any time. - Save multiple adjustment patterns and compare the results on a single RAW image. - Use the change history function to readjust images until you achieve the perfect result. - Save adjusted images to your Camera Roll in JPEG format. [Compatible Formats] RAW(CR3/CR2), JPEG, HEIF (10 bit) * Not compatible with .CRW or video file formats. [Image Input] Via Camera Connect : RAW (CR3/CR2), JPEG, HEIF (10 bit) From your Camera Roll : RAW (CR3/CR2), JPEG * Image data is saved in the app. In addition, devices with iOS 12.1 and later can import CR3 files from the Camera Roll. *HEIF (10-bit) files and RAW images shot with [HDR PQ settings] enabled can be imported using linked mode with the Canon camera app Canon Camera Connect (However, RAW images shot with [HDR PQ settings] enanled are developed with HDR PQ disabled). *RAW burst files cannot be imported to smart devices. Extract the CR3 images from the RAW burst file in advance on the camera side, and then import them to the smart device. [Compatible Camera Models] ■.CR3 processing compatible models EOS-1D X Mark III , EOS R1 , EOS R3 , EOS R5 , EOS R5 Mark II , EOS R5 C , EOS R , EOS Ra , EOS R6 , EOS R6 Mark II , EOS R7 , EOS R8, EOS R10 , EOS R50 , EOS R100 , EOS RP , EOS 90D , EOS Rebel T8i / EOS 850D , EOS REBEL SL3 / EOS 250D / EOS 200D II , EOS M6 Mark II , EOS M50 , EOS M50 Mark II , EOS M200 , PowerShot G5 X Mark II , PowerShot G7 X Mark III , PowerShot SX70 HS ■.CR2 processing compatible models EOS 5D Mark IV , EOS 6D Mark II , EOS 80D [System requirement] iOS 16.7 / 17.6 iPadOS 16.7 / 17.6 [Important Notes] - Payment will be charged to your Apple ID account at the confirmation of purchase. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. - If you uninstall the app, all image data imported from your camera will be erased. - If application does not operate properly, try again after shutting down the application. - Visit your local Canon Web pages for more details. Terms and conditions https://www.apple.com/legal/internet-services/itunes/dev/stdeula/