: KMS activation typically only lasts 180 days . This requires the activator to run continuously in the background to renew the license, increasing the risk of long-term exposure to bundled malware. Legitimate Alternatives
If you already have a valid license but are having activation issues, contact Microsoft Support directly. index of kms activator office 2019 link
: For individual users, bypassing activation is considered software piracy and a violation of Microsoft's Terms of Use : KMS activation typically only lasts 180 days