How can I get The Spike Volleyball APK in my PC?

Download any of these three emulators; BlueStacks, NoxPlayer, or MEmu Play for that. Then open game in emulator home screen and start enjoying your game play.

What are the minimum requirements needed for the game on a computer?

Yes, downloading this MOD APK is safe because it is downloaded from a reliable site. It is always advisable to ensure the safety of the site, to avoid downloading files that have a virus.