* Mod note: Content of this post is copied from https://support.apple.com/en-us/HT209454
Hi I am Shubhang,
- On iCloud.com, click Photos and select a photo or video. Hold the control key on your PC to select multiple photos or videos.
- Click and hold the download button
in the upper corner of the window. If you want to download your photo or video as it was originally captured or imported, choose Unmodified Original. For JPEG or H.264 format — including edits, and even if it was originally in HEIF or HEVC format — choose Most Compatible.* - Click Download. Multiple photos and videos will be downloaded in .zip file. You have to compress it.