Depending on your browser, you will may be asked to "Run", "Save", or the file will just download to your browsers default download folder. Please save the file to your downloads folder or Desktop. Please see next step before you proceed.
Upgrades for Existing customers: Do not uninstall your current software version. To upgrade your current software simply download and install the new version of the software on your computer.
Go to your download folder or Desktop where you have saved the SOS Online Backup setup file.

Make sure the slider is moved down to "Never notify" and then click on OK and reboot the computer, (This image is for Windows 7 operating systems.).
Exclude these processes in your Antivirus/AntiSpyware program Realtime Protection, also add these files to the firewall exception list.
C:\Program Files(x86)\SOS Online Backup\sstorage.exe
C:\Program Files(x86)\SOS Online Backup\sosuploadagent.exe
C:\Program files (x86)\SOS Online Backup\Sloader.exe