This documentation describes how you turn of your firewall on a windows server.

Step 1 Search after "Windows Defender Firewall" on your Windows VPS.
Step 2 When "Windows Defender Firewall" is open, then you need to click on "Turn Windows Defender Firewall on or off" in the left side.
Step 3 Once you have pressed it, just turn everything off.

Step 4 Once you have done all of these steps, you have turned off the firewall.