If Office 365 is what you're after, be aware that there is no offline installer for it.
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Of course, be aware that obviously you will need a product key to successfully install the suite. However, the below links we provided with the original article still work to download the installer for Office 2016 (this then grabs the Office 2016 setup files on-demand). Therefore if you want to try out Office for free, you'll need to dip into Office 365 (see above). Obviously post-release, that isn't the case anymore – and there's no trial version of Office 2016. When this article was first published, it was before the release of Office 2016 when you could download a preview version to try for free.
To get them to work again would require you to reinstall your Windows operating system – using a restore point or any similar image-based solution is unlikely to work. Once trial versions expire, they will revert back to reduced functionality, essentially becoming file viewers.However, before you proceed, bear the following points in mind: We've rechecked all the links as of the time of publishing this update to ensure that they're fully working.