1. Go to Google Takeout:
2. Select "Google Photos" as the product you wish to export, then select "Next Step"

3. View the export destination options.

4. Select the option you prefer.

5. Select"Export Once"as the export frequency.

6. Select the File Type and Size then select "Create Export".

.zip files are can be opened by most computers were as .tgz files may require additional software for Windows users
7. Your export progress will appear in a new window.

8. Google will send an email when the export is complete. Depending on the file size, the export process could take hours or days.
