Based on the version of Office you have, you can see below which one automatically installs 32-bit or 64-bit; and how to change it to either one to accommodate your system.  Office Versions: Newer Versions (Office 2019) The 64-bit version of Office is automatically installed...

If your purchase of an Office product came with a 25 character product key, you can use the steps below based on which product you have to find out where you should enter that key to download and install your Office product.  Example of an...

Download and install Office Install on PC Go to www.office.com and if you're not already signed in, select Sign in. Sign in with the account you associated with this version of Office. This account can be a Microsoft account, or work or school account. After...