To renew Thirtyseven4 Antivirus Total Security for Home Use, the process is as follows:

1. Go to our website. (

2. Click on Buy Now at the top of the page.

3. Select the amount of licenses you would like to renew and purchase them.

4. Now you should be getting two emails. One is a receipt for your purchase and the other will contain a product key and a link to where you can download our latest product. *This may take up to 24 hours to process

5. Select the version of Thirtyseven4 Antivirus you need ( 64bit, 32bit, etc.) and download it.

Now that you have the email and downloaded the latest Thirtyseven4 Antivirus software, you need to uninstall the old version of Thirtyseven4 Antivirus before you can install it.

Windows User

To Renew follow these steps:

1. On your desktop click on the Start button in the bottom left corner of the screen.

2. Then in the search bar please type in 'add or remove programs'.

3. You should see this option appear, click on it.

4. A list of programs will be displayed. Scroll down until you see Thirtyseven4 Antivirus.

5. Right-click on it and select Uninstall. This will take you through the uninstall wizard.

6. Once removed, reboot your computer.

7.Once the machine restarts, go to where you downloaded the new Thirtyseven4 Antivirus software and double-click on it to start the installation process. (make sure you have your Product Key to enter)

Mac User

To Renew follow these steps:

1. Open Thirtyseven4 Total Security by double-clicking the Thirtyseven4 blue T icon. 

2. Once opened, look up in the Task Bar (very left side in the upper corner of your MAC) and you should see the Apple symbol, followed by the wording "Thirtyseven4 Total Security" click on the this wording. 

3. From there you can click on "About Thirtyseven4 Total Security", and then click on Renew Now button and follow the subsequent steps for Renewal ( Make sure that you have a Product Key to enter). 

*For this entire step you are not clicking anywhere in the program itself, but on the Thirtyseven4 Total Security link in the system tray (after opening Thirtyseven4).