PSD files are created using Adobe Photoshop.PSD means PhotoShop Document.PSD image files may include image layers, adjustments, masks, notes, information’s and other elements that are specific for Photoshop.
As we know Photoshop is a very heavy software which takes times in loading Or it may happen that your friend had sent you a PSD file but you dont have photoshop.
PSD viewer is a freeware application which allows you to view PSD files.It loads faster than Photoshop.
PSD viewer have a very user-friendly interface, so any user, no matter if is beginner or advance can use it without a problem and can open, zoom, rotate, resize, convert and save .psd images to other formats.
You cant edit PSD file here.
You may use following link to download it