Windows PC Open the image in Windows Explorer to check dimensions and file size. Click the Windows Start button on your taskbar.
Type Windows Explorer into the search bar.
Open Windows Explorer.
Find the image you want to check. Select your image. The dimensions and file size appear at the bottom of the window. Note: If the image's dimensions and file size don't display at the bottom of your Windows Explorer window, then your window is too small. Expand Windows Explorer to make them appear.