Regarding the v1.30 build, it's essential to note that this version might not be readily available for free download. Even if you manage to find a link, it's crucial to consider the potential risks mentioned earlier. Moreover, an outdated version might not be compatible with modern systems or might lack essential patches and updates.
To ensure a secure experience and support the developers, use these verified platforms: Mortal Kombat 1 on Steam
Update v1.3.0 (and subsequent patches) focuses on competitive balance and performance: Mortal Kombat 1 on Steam