Use a trusted program like 7-Zip or WinRAR to unpack the game files into a dedicated folder on your PC.
Always run the downloaded .zip file through an antivirus program or an online scanner like VirusTotal before opening it. File: SiNiSistar.v3.0.0.zip ...
Unlocking the Abyss: What’s New in the SiNiSistar v3.0.0 Update! Use a trusted program like 7-Zip or WinRAR
Run the executable file within the extracted folder and prepare to dive back into the gloom. File: SiNiSistar.v3.0.0.zip ...