If you work for a largish organisation and have a corporate email address, enter your details in the link to see if you qualify.https://www.microsofthup.com/hupuk/home.aspx?country_id=GB
is the link, it may need to be entered manually as it seems to redirect to msstore from HotUKDeals.
Available for both PC and Mac users, this is the Office suite and not the 365 subscription service you usually see.
For a single machine.
Comes with WORD, EXCEL, POWERPOINT, OUTLOOK, ONE NOTE and SKYPE FOR BUSINESS (pc only)
You can also add PROJECT PRO 2016 or VISIO PRO 2016 for an additional £9.95 each.