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Figure 2 EEMS License Manager: Perpetual License.
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Demo Version
Demo Version is an EEMS version which have no time limit in their use, but provide the limited capability of the EE modeling system. It does not require a license code when activate. The user simply register an user account on the EEMS website (https://www.eemodelingsystem.com). Then the user have already had the EEMS user account, the user just sign in the Sign in EEMS Demo Version to use the EE.