Email: If you had purchased and downloaded the Microsoft Office from an online store via office.com/setup, search your email folder as it is possible to get the product key from the email receipt.

Sticker: In some cases, the Office program is stored in the computer. If this is the case, the product key will be found on the Certificate of Authenticity of the computer. If you cannot find the printed sticker, search for it on the box, CD or packaging of the computer.

Norton Setup Installation and Activation:-
1.   If you have a retail version of Norton, then insert the disk into the DVD drive and follow the on-screen guidelines.
2.   Click on Install.
3.   In the Norton wizard window, go through the license agreement.
4.   Type in the 25-character alphanumeric product key/code for activation at norton.com/setup.
5.   The installation process will be over. As a matter of fact, it barely takes one minute for the Norton Setup to get complete.
Norton Setup is a very time-saving process, and it is faster than other competing software.
After installing Norton setup, users should make a Norton account. The Norton Account will contain all the information about their Norton products, services, and subscriptions.

1.   Go to mcafee.com/activate and Sign in/ Sign up
•   McAfee retail card users need to sign up in case they do not have an existing account
2.   On the main page, enter the activation key in the field and continue
3.   When prompted, scroll up at the top McAfee My Account page and select My Account
4.   Click Subscriptions
5.   Press ‘All expired’ and check the list of products you used, and how many of them are expired subscriptions
6.   Else, click View active to see all subscriptions that are still active
7.   Find product(s) you want to renew from the subscription list and click Renew
8.   Proceed with the on-screen instructions
After you complete the subscription, you receive an email containing a unique McAfee activate code. If you want the software to get automatically renewed or to stop auto renewal, find instruction here.