...
- Take a backup from the Database Server. (highly recommended)
- Execute the installer (CostOS_Server_x64_8.2.exe) as an administrator (right click Run as Administrator)
- Click I accept the agreement and then press next as you could see in the picture below
- Then, just simple click on Yes, update the existing installation, only if the Current installation path is the correct one and press Next.
- Click Update
...
- A warning window will popup just to remind you to take a backup. (It is highly recommended to take a backup, if you haven't taken one, you could take now!)
- In the next window you could enable or disable the Web Interface (CostOS Webconsole). Click Next.
...
- In the final question you are asked if you want at that moment, to start CostOS service. Press Finish.
The process is finished!