Navigate to Downloads | Free Downloads section (or for the Contemporary UI, Resources & Support | My Downloads.
Select Software Type: "GMS/Analyzer - Windows" from drop-down list.
Click SW 8.1 GMS/Analyzer Rv2 Windows and save the file in your local drive.
NOTE: Always use the Rv2 version of whatever GMS version you wish to install.
Run the installation file which you downloaded. It may take several seconds for the Install Anywhere self-extractor to initialize.
NOTE: Run the .exe as Administrator
The first page in the installation software is just a greeting message, so click Next button.
License Agreement: Read and accept the license by enabling I accept the terms of the License Agreement radio button, then click Next button.
Choose Install Folder: Choose the installation folder. You can choose any drive you wish to use. Click Next.
SonicWall Universal Management Suite Settings: Then you need to choose the IP address on which GMS 8.1 will be listening. This has to be one of your GMS server IP address (Note: Do not enter the IP address of your SonicWall UTM product here). Click Next.
Choose the ports that you want to use for GMS Management. Click Install.
Windows firewall might be blocking some features. Click Allow access to allow the features associated with GMS 8.1.
After this the installation is on its way. Wait for few minutes and installation should be completed.
Once the installation is done, you will see this warning message. It is just to remind you to authorize some traffic through your server’s firewall if you wish GMS to work correctly by clicking OK.
Important Registration Information: This is an update regarding the web access and registration of GMS from server, this has important note regarding the registration difference between Analyzer & GMS. Click Next button.
Installation Complete: To complete installation, the server needs to be restarted. Select Yes, restart my system radio button and click Done.