how to install new usermanager 4.6 in 3.30 router os

RouterOS The User Manager
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how to install new usermanager 4.6 in 3.30 router os

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You can’t. To use new UM you need also new RouterOS.

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m install router os 4.6 and install new user manager 4.6 test package but old usermanager database not working any solution