With Minimum Coding Use URLs like this one
How do I save images from Google to Google drive?
I assume you mean from a web-page on Chrome. There are several options but here are two Manually - right click the as . This will allow you to save the from your download folder to the folder you want on Drive. The and select Save will be uploaded directly to your Google Drive.
How can I download photos from Google Photos in full size?
Select the photo(s) you want to download and then click on the downward facing arrow that will appear in the top-right corner of the screen. The web client is shown below - it is similar for Android and iOS. This will download the largest version of the photo that is stored in Google Photos. Whether this is the full-size original or apressed version will depend on the options you chose when uploading the photo.