It is a well-reputed company on the Internet. Yes, it is safe and it is not a virus or malware or anything that is harmful to your computer. Update: As Windows 11 supports Android apps natively on Windows computers, you should use the built-in feature without installing Bluestacks. Obviously, you will not get the same Android smartphone experience on this, but worth trying if you are a developer, tester or even the Android gaming addict who want to play on the computer without considering the few glitches. It is a free cross-platform app to use on Windows and Mac. Bluestacks is a kind of virtual platform that allows you to have Android Apps, games, calling and chatting apps on your Windows or Mac computer.