TLS Issues: Many websites now use TLS 1.2 or 1.3, which Lion’s built-in tools don’t support. This may make it difficult to activate Office 2011 over the internet. You may need to use the "Telephone Activation" option if it is still available. Key Takeaway
: An even older version that also runs on Lion but lacks many modern features found in later editions. microsoft office for mac os x lion 1075 2021