First, you have to check for an older version of www.webroot.com/safe antivirus on your PC, If it exists either reinstall it or update it from the official site of webroot.
Before start downloading and installing Webroot.com/safe antivirus, you must check if some other antivirus programs exist on your pc uninstall it to avoid further software conflicts.
Installing an antivirus needs a good amount of space, you must check for it before downloading the same.
The system requirements for any antivirus installation plays an important role so kindly check your system configuration with that of www.webroot.com/safe installation specifications.
If you are already a user of Webroot.com/safe, then no need to download again just update it or reinstall your webroot.com/safe software.
PC Should have Minimum 128 MB of RAM.
You Have to Good internet connection or Wi-Fi connection.
Fully Compatible browsers- Google Chrome, internet explorer (new version), Mozilla Firefox, Opera
Partially compatible browser- Microsoft Edge.
Processor- AMDK6/Athlon/Duron family, or, Intel Pentium/Celeron family or other compatible processors