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Find my serial number and activation key

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You can use this guide to generate your software serial number and activation key for Sage 50 Accounts, Sage 50 Payroll and Sage 50 P11D.


When you first purchase Sage software, your serial number and activation key are included on your confirmation email.

Find out how to register and activate:

Retrieve your software details

To upgrade your software, or to activate additional modules, you need your serial number, activation key and sometimes your account number.

If you have your account number and postcode you can quickly retrieve these details using the form below, alternatively you can retrieve all of this information from your My Sage online account >

NOTE: If you're based in the Republic of Ireland and don't have a postcode, you can select the check box and use the last 5 digits of the organisation's telephone number instead.