Ports are windows for the software in the system to contact with the outside world, but sometimes we can close some ports to prevent threats. Users who recently used win 10 Ultimate want to know how win 10 closed the 445 port of the computer? So what Bian Xiao has arranged for you today is the specific methods and steps to close port 445 in win 10.

The specific method is as follows:

1. First, search and open [Control Panel]. In the Control Panel, you can see that one item is [Windows Firewall.

2. Click Windows Firewall Options to enter its interface. As you can see, there is an option on the left [Advanced Settings].

3. Please continue to click [Advanced Settings]. In the [Advanced Settings] interface, select the [Inbound Rule] option on the left and click [New Rule] on the right.

4. In the Rule Type option, select the Port option, and then click Next.

5. In the [Protocol and Port] interface that appears, select [TCP] for [Protocol] and fill in [Port 445] for [Local Port]. Then continue to click [Next].

6. In the interface that meets the requirements, select Block Connection, and then click Next. When to apply the rule, please select [Default]. Continue to click [Next].

7. Finally, fill in the name and click Finish.

What I shared with you above is the specific method and steps of closing port 445 in win 10. Users in need can follow the above method.