Trend micro antivirus is the virus threat protection program that includes advanced features to safeguard the data from online threats. For Trend Micro download and installation, a user must create a Trend micro account so that the process can be done quickly. Activating the setup also requires the trend micro activation key, which further can be download from www.trendmicro.com/bestbuypc , and then you can activate the setup.

How do you get TrendMicro quickly?
Protect upto 3 devices with a 1-year subscription with multiple features such as Cloud Security, Network Watchman, and Performance Enhancer & Optimizer. Follow four steps with the easy installation process –
Download trend micro setup product.
Start the installation of Trendmicro.
Enter the TrendMicro key and activate the setup.  

Trend Micro Download – PC, Mac & Mobile
Reach  www.trendmicro.com/bestbuypc and proceed Trend micro download for any of device including PC, Mac, or mobile phones. Before you download or install the setup on your device, check whether the device meets the software requirements or not. If your device is ready, then follow below steps –
The first step to download trend micro is to log in.
If you have the existing trend micro account, then you can log in with it. Otherwise, you must create a new account. Visit www.trendmicro.com and create the Trend micro login account.
Now, go to www.trendmicro.com/bestbuypc webpage. 
Here, multiple products such as trend micro internet security, mobile security, and trend micro security. 
Choose one product to download and hit the DOWNLOAD button. 
You must have to select that for which device you are downloading the setup. Choose the Mac, Windows, or mobile.
It will show a pop-up where you need to click on the SAVE FILE button.
It will start downloading. Stay on the same page  www.trendmicro.com/bestbuypc until the download gets completed.
Now, locate the downloaded setup or remain in the default location.
Install it further by following the guidelines.

Install Trend Micro – www.trendmicro.com/bestbuypc 
If you have downloaded the Trend micro antivirus set up on your Windows or Mac, then you can easily install the setup. Also. Purchase the trend micro activation code from a retail store or online so that you can complete the installation with activation of setup. Follow below:
Trend Micro installation for Windows –
Download the product setup for windows. Click on the DOWNLOAD button below the windows setup.
When the file download option will appear for TTi_16.0_MR_Full.exe file save or cancel, then click on SAVE FILE.
Once the file downloaded, locate it on the software folder.
Now, double-tap on the TTi_16.0_MR_Full.exe file setup.
Here, click YES when the user account control window displayed.
Therefore, the installer starts the file extraction and will check compatibility.
When the activation window will appear, enter the key here.
Submit the key and hit the NEXT button.
Read and agree the license agreement and click CONTINUE or NEXT.
Now, again click on AGREE AND INSTALL button.    
Wait for a few minutes or seconds until the installation gets completed.
Click the FINISH button.

Trend Micro installation for Mac –
Ensure that you Mac OS is fulfilling the minimum Mac requirements.
Reach the webpage www.trendmicro.com/bestbuypc on your web browser.
As per your requirement, choose the trend micro product for your Mac device.
Click on the DOWNLOAD button when you choose the product.
Save the disk image (.DMG) file (installer) by tapping on SAVE FILE.
One the file downloaded double-click on the installer file on your Mac.
Hit the CONTINUE button and click to the ON button when the welcome window opens.
Read and agree the privacy policies and click on the I AGREE button and then CONTINUE.
Enter the keycode when the activation display appears.
Login with Trend micro account, that you may have created before visiting www.trendmicro.com/bestbuypc web page.
Once completed, it may ask you to enter administrator details. Complete the installation with the FINISH button.

How do I change my Trend Micro key code?
If you have successfully downloaded the Trend micro from www.trendmicro.com/bestbuypc webpage, then you must have activated the setup. After one- or two-years subscriptions (depend on your subscribed package), it gets expired, so you need to change the Trend micro keycode so that you can secure your data. If you purchased the new keycode, then follow the steps to change Trend micro key code –
Open the system and go to START.
Open the Trend micro program on the system.
Go to subscription >> Expiry date.
Hit the “Change Your Serial Number” button.
If you have a retail card, then type the key from its backside. If you purchased the key online, then paste the activation code from the email.
Submit the activation key.
Tap on the “Next” button.
It will change the Trend Micro key code. 
Now, close the window and enjoy further scanning.