Work with vista? If so, how to download?

Hello Cullowhee
 
Welcome to the Webroot Community,
 
Yes Webroot will work with Vista, As you can see here
 
Depending on what Webroot version that you have.
If you purchased the Webroot security software online, you should have received an email from Webroot with download instructions. This email indicates if you purchased a 1-User Pack (license for one computer), a 3-User Pack (license for three computers), or a 5-User Pack (license for five computers). If you purchased the Webroot security software from a store, the product packaging shows the number of licenses on bottom, front of the box. The box shows either "5 User," "3 User," or "1 User."
 
Please look here  https://www.webroot.com/us/en/home
 
This is how you can download below
 
Please follow the steps below closely in terms of installing WSA on the target system/machine!
 

• Make sure you have a copy of your 20 Character Alphanumeric Keycode! Example: SA69-AAAA-A783-DE78-XXXX
• Be sure you have or add your Keycode to your Online Console: Webroot SecureAnywhere Online Console
• KEEP the computer online during the install to make sure it works correctly
• Download a Copy Here (Best Buy Geek Squad Subscription PC users click HERE). Let us know if it is the Mac version you need.
• Install with the new installer, entering your Keycode when prompted to do so in the install process
• Let it finish it's install scan
• Reboot 

Thanks,