You can install Office 2010 from a disc or by downloading it. Because of potential backward compatibility issues the default installed version is 32-bit. However ... When you upgrade your Office 2010 download to Microsoft 365, you'll get familiar apps that are ... A person working on a Surface laptop in a dimly lit room. What you want to do, install a trial or purchase a full version. Here are links to full downloads: 2010 Full Download.