Steps are pretty easy to follow
1. Run D3DWindower in administrator
2. Add Armymen2.exe file by clicking the plus button
3. Locate the folder and exe file for Army Men 2
4. Click on the options for Army Men 2 in D3Dwindower
5. Change the resolution to be 800x600
6. Double-click on the game and it should work
For any problems check the video thank you :)

Video Tutorial: https://youtu.be/ZC5Oy7t_IjM
D3DWindower download link: https://community.pcgamingwiki.com/files/file/733-d3dwindower-english/