The only safe way to install it today is if you already have:
With a valid key, you can sometimes still download the installer from Microsoft’s Volume Licensing Service Center (for businesses) or by signing into Services & Subscriptions page of your Microsoft account if the key was previously linked there. microsoft office home and student 2013 iso better downloadl
You searched for "better downloadl." I need to stop you right there. The only safe way to install it today
If you Google this, you will find hundreds of third-party "software repository" sites. Do not click them. With a valid key, you can sometimes still
The "better download" is often not a download at all—it’s a verified archive.
Historically, Microsoft hosted files on a server called "Digital River." While many of these links have died, some are still active if you know how to look.
However, there is a much easier method that doesn't require hunting for broken URLs: