To download files to your iPhone or iPad, follow these steps:

  1. Open the Safari browser on your device.
  2. Navigate to the webpage or location containing the file you want to download.
  3. Tap the Share button (the square with an arrow pointing up) to open the Share Sheet.
  4. Tap Save to Files. If you don’t see that option, swipe left and tap the Edit Actions button, where you can enable the Files extension.
  5. Choose a location to save the file (like iCloud Drive or On My iPhone) and give the file a name.
  6. Tap Save to complete the download.

The file will now be stored in the location you selected, and you can access it through the Files app, available across all devices linked to your iCloud account.