In addition, the 64-bit version of Chrome includes a 64-bit version of Adobe Flash. Google’s original blog post says they “are able to far more effectively defend against vulnerabilities that rely on controlling the memory layout of objects” on 64-bit versions of Chrome. The 64-bit version of Chrome has a variety of additional security features. RELATED: Why the 64-bit Version of Windows is More SecureĦ4-bit versions of Windows are more secure, and Chrome is no different.