How to Edit the Hosts File in Windows 11

Why Would You Edit the Hosts File?

• Block websites: Stop your computer from visiting certain websites by redirecting them.
• Test websites: Web developers use the Hosts file to test websites on their own computer before making them live.
• Fix network issues: Sometimes you want to link a name to a specific IP address for easier local access.

Where is the Hosts File Located?

The Hosts file is stored in this location on your computer:

C:\Windows\System32\Drivers\etc\hosts

What Does the Hosts File Look Like?

The hosts file in Windows 11 looks like a simple text document where each line connects an IP address to a website name, with lines starting with ‘#’ being ignored.

# This is a comment - lines starting with # are ignored by your computer

127.0.0.1 localhost

# 127.0.0.1 example.com (this line is ignored because it starts with #)

Note: The IP address and website name should have at least one space or tab between them.

How to Edit the Hosts File: Step-by-Step

Step 1Open Notepad as Administrator

To edit the hosts file in Windows 11, you must first open Notepad as an administrator because this file controls important network settings and requires special permission.

1. Click on the ⊞ Start button or press the Windows key.
2. Type Command Prompt in 🔍 the search box.
3. 🖱️ Right-click on Command Prompt in the results and select Run as administrator.

Step 2Open the Hosts File in Notepad

In the Command Prompt window, type the following command and press Enter:

notepad.exe C:\Windows\System32\Drivers\etc\hosts

This will open the Hosts file in Notepad with the permission to edit and save changes.

Step 3Add Your Changes

Scroll to the bottom of the file and add your new entries. For example, to make your computer treat example.com as your own local computer (useful to block or test the site), add this line:

127.0.0.1    example.com

Step 4Save Your Changes

Click File > Save in Notepad to save the file.

Your changes will take effect immediately — no restart needed!

Tips and Things to Remember

• Always run Notepad as administrator to make sure you can save the changes.
• Make a backup: Before you edit, copy the original Hosts file somewhere safe. This way, you can restore it if something goes wrong.
• Use # for comments: If you want to disable a line without deleting it, just put a # at the start of that line.
• Changes are instant: After saving, your computer immediately uses the new settings.

Summary

• The Hosts file lets you control how your computer finds websites.
• You can block websites or test your own sites locally.
• You must run Notepad as an administrator to edit and save the file.
• Always save a backup before making changes.

Editing the hosts file in Windows 11 lets you control how your computer finds websites, allowing you to block sites or test your own locally, but always remember to run Notepad as an administrator and save a backup first.