Step 2. Look for a file named as hosts, then open it with Notepad.
Step 3. At the bottom of the file, add the line as shown below:
127.0.0.1 www.blockingsite1.com
We have just shown you www.blockingsite 1.com as example only, replace it with the actual URL so that they are inaccessible to all.
Step 4. Simultaneously if you have more websites that would like to be blocked, just press Enter and repeat step 3 to add additional URL until all desired websites are added. Now make ?Enter? at the last line of the UR