If you have purchased a license or are using the free edition, follow these steps to apply it:

If ManageEngine's licensing is too high, several modern alternatives offer similar or better functionality at competitive price points: The Best Alternatives to ManageEngine Service Desk in 2025

Using version 8.1 today is highly discouraged because it is outdated and contains numerous . Recent security advisories highlight that older versions of ServiceDesk Plus (specifically those below version 12002) are susceptible to: