When you are satisfied, click somewhere outside the crop outline.Tip: With the Paint status bar enabled, you can see the dimensions of your crop near the lower left corner (do subtract the stroke width for precision). Note: Yes, you can drag around and resize the rectangle. Adjust the outline for cropping as desired.Draw the outline of your crop on the image.Paint keyboard shortcut: You can increase and decrease stroke size quickly using Ctrl + and Ctrl. Optionally, pick a stroke size under Size.Under Fill, make sure No fill is selected.Which color to pick: Typically, choose white, black, cyan or another color that contrasts with the edges of your cropped image and can easily be removed if needed. Under Colors, choose the color you want to use for the background.Why: We are selecting the foreground color to draw the outline of the image. To crop an image in Microsoft Paint (into a rectangle, say 2X2 or 4×6):