1. Press the Windows Logo Key + E and navigate to C:\OTServer folder.
2. Right click on TServer.exe file and choose Create Shortcut.
3. With the file location open, press the Windows logo key + R, type shell:startup, then select OK. This opens the Startup folder.
4. Copy and paste the shortcut you've created in step 2 from C:\OTServer folder to the Startup folder.