We understand your concern, We recommend you access the below article and follow the instructions provided below to switch the subscription without uninstalling your McAfee software.
You see an alert that your subscription has expired
1. Under solution please select, I have recently renewed or purchased a subscription, so the expiry message is incorrect.
2. Click, On my PC. Got to steps 2, Download and run the McAfee software Install Helper tool.
3. Enter your registered email address and password, and then click Login.
4. Choose your appropriate subscription that you would like to continue with.
If you run into any issues please we recommend you to get in touch without support team to assist you better.
McAfee Chat Support
Toll-free (US) : 8666223911