R
Neophyte

Neophyte

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1 Message

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70 Points

Wed, Nov 18, 2020 10:51 PM

Closed

My serial number won't work after upgrading for Big Sur

I followed the instructions to upgrade to a version that supports Big Sur. Now it won't accept my serial number which begins with a T because it is a Best Buy purchase. I have repeatedly tried entering the password from my Trend Micro Account page to no avail. The Geek Squad was entirely unhelpful.

Brand User
tm_cathy

 Superstar

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576 Messages

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9.3K Points

2 years ago

Hi, reachcor!

 

Welcome to Trend Micro Home Users Community.

 

I'm sorry to hear about your experience. Have you tried downloading the installer for Best Buy? Please try to download it from this link below:

 

How to install Trend Micro Security bought from Best Buy

 

Let us know how it goes.

 

- TM_Cathy

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