An out-of-focus photo cannot be fixed with software.

Sometimes it can be helped if it is not too bad.

Most people would try the "Unsharp Mask" filter.

You can apply it just to the toadstool if you use the selection tool (on the toadstool) before you apply the Unsharp Mask filter.

I use Adobe Photoshop Elements II and it has all of the key elements of the full size Photoshop. It sells for about $99 but you often find it on sale for less.

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