DESCRIPTION:
What it includes: A one-time purchase of classic Office apps—Word, Excel, and PowerPoint, tailored for home and student use. Compatible with both PC (Windows 10 or 11) and Mac systems. 
License model: A perpetual, lifetime license valid for one PC or Mac. 
Support Access: Comes with access to Microsoft support experts for assistance. Typically, support is included for a limited period (commonly 60 days post-purchase). 
Warranty & Support Details
Official Support Lifecycle
Office 2021 is supported under Microsoft’s policy of 5 years of mainstream support, without an extended support phase. After support ends, no further updates or security patches are released.