You're about to get even more from your Office 365 Home or Personal subscription! (https://techcommunity.microsoft.com/t5/Office-365-Blog/You-re-about-to-get-even-more-from-your-Office-365-Home-or/ba-p/234907)
The changes:
-- Starting October 2, subscribers can install Office on an unlimited number of devices—and be signed into their accounts on up to five of those devices at the same time.
-- Ability to manage your Office 365 subscription directly from account.microsoft.com.
-- Up to 6 TB space on OneDrive
FAQ (https://support.office.com/en-us/article/important-news-about-your-office-365-subscription-06828297-4f1d-4059-8748-365d8e658968?wt.mc_id=blog&ui=en-US&rs=en-US&ad=US)