If you are looking to download the existing official games on a modern Windows 10 or 11 machine, keep the following in mind: Compatibility:

While fans of the classic Awem Studio space shooter series often search for " Star Defender 5

Some older games in the genre may face issues with newer OS versions. It is recommended to use "Compatibility Mode" (right-click the .exe > Properties > Compatibility) and set it to Windows XP or 7. Official Sources: Star Defender 5