So, what are the advantages of using MS Office 2019 64-bit? Here are a few:

32-bit Office is capped at 2 GB of virtual address space, even if your PC has 32 GB of RAM. The 64-bit version can access nearly all available system memory, allowing it to handle massive files that would otherwise crash. Enhanced Processing: It can handle enterprise-scale Excel workbooks

The official Microsoft servers will download the that you would find in a secret index—except this one is guaranteed clean, up-to-date, and legal.