If you want to give Mike's Sprite Editor a try, you can download it using the links below.

Binary Releases

These files contain the editor, precompiled and ready to run on a computer running MS Windows.
No installation is necessary; just unpack the archive and you're ready to go.
If you have no idea what a binary release is, this is probably the link you want.

Release DateVersionLink
2019-01-06 0.9

Source Code

Alternatively, you can compile or browse the source code yourself.
In order to compile the program, you will need the Free Pascal Compiler.

Release DateVersionLink
2019-01-16 0.9