You can block websites without any software on computer it’s pretty easy and tricky . No technically knowledge is required to perform this task I do show you here how to do this .
Go to this path C:\Windows\System32\drivers\etc
Edit the hosts file simply right click on it and open with notepad
Remember if you do not have access to open this file directly then open the file with administrator rights
Simply add these lines here in the files
See I’m able to open facebook before making any changes in host file
After editing hosts file I will not be able to access facebook ,