It's not a clone, just a skin. If I'm being generous, from the screenshot it looks like it only has maybe 2% of the features that Microsoft Word has.<p>If you're just trying to switch over an elderly-person's computer so they stop getting malware, it might work alongside those themes that make Linux look like Windows.
Seems to have no updates since 3 years.<p>OnlyOffice (IMO) looks the closest like MS Office , is open source (AGPL) and handles the MS Office formats very well.<p><a href="https://www.onlyoffice.com/" rel="nofollow noreferrer">https://www.onlyoffice.com/</a>