What Is Windows Firewall?
It was first introduced in Windows XP and Windows Server 2003.
It was called Internet Connection Firewall in the past.

With the release of Windows 10 version 1709, it was renamed as Windows Defender Firewall.
And what does roll the Windows Defender play in?
If a program is suspicious, the Windows Firewall will not allow it to get into the Internet.

However, to some extent, it also will bring some inconvenience, especially when the program is trustworthy.
Then how can you solve this problem?
In fact, you’ve got the option to allow it to pull up the Internet very easily.

If you have the same demands, try the following ways.
How to Allow a Program Through Firewall Windows 10?
As to how to allow an App through a Firewall Windows 10, it is very easy.
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We will show you the tutorial.
Step 1: TypeControl Panelin the search box of Windows 10 and choose the best-matched one.
Step 2: In the popup window, chooseWindows Defender Firewallto continue.
Step 3: In the popup window, chooseAllow an app or feature through Windows Defender Firewall.
Step 4: Then clickChange tweaks.
Check the app or feature you want to allow through the Firewall.
Here are two points it’s crucial that you pay attention to.
Step 5: Then clickOKto execute the changes.
When all steps are finished, you have successfully allowed the program or feature through Firewall Windows 10.
Then you may wonder how to block a program through Firewall Windows 10.
After that, the program or feature will be blocked through Firewall Windows 10.
The error code 0x800704ec may occur when you are turning on Windows Defender.
This post list 5 solutions to fix the Windows Defender error.