Get the Microbworld screen saver and let the microbes invade your desktop.
- right-click the link
- Click "Save Target as..." and save the file to your desktop
- Go to your desktop and double-click the "Microbeworld.exe" or "Microbeworld-noaudio.exe" file that you just downloaded. Because it is an executable file (exe), you may be asked again if you want to run the file. Click "Run".
- Click "Install"
- Choose how many minutes you would like your computer to be idol before it begins
- Click "Apply"
- Click "OK"