Open Google Photos in your web browser
Sign in to your Google account
Select the photos or albums you want to download
Click the three-dot menu in the top right
Choose Download
Save the file to your PC
To download multiple photos, select them first before clicking Download
To download an entire album, open the album and use the three-dot menu to download it
To download all Google Photos, use Google Takeout
Go to Google Takeout
Select Google Photos
Choose the export settings
Click Create export
Download the exported files to your PC