For Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1
Downloading and Installing Image Resizer
Click the Image Resizer (see notice below) link.
Follow the prompts on the screen to download the software.
Locate the file you downloaded, then double-click it to install the software.
Resizing Your Photos
After you install Image Resizer, right-click the image you want to resize, then select Resize Pictures from the pop-up menu. Tip: To resize multiple images at the same time, hold down the Ctrl key on your keyboard and select each photo you want to resize. Then right-click one of the selected images and choose Resize Pictures from the pop-up menu.
When you see the Image Resizer for Windows screen, select one of the available presets from the list. In this example, we will be selecting Medium.
Click the Resize button. The resized photo is saved to the same folder as your original photo.