Here is the to add to your hosts file ( C:\Windows\System32\drivers\etc\hosts on Windows or /etc/hosts on Mac/Linux).

Services that automatically check for and download updates are often included to maintain a specific software version. Implementation and Tools

If Windows denies saving, you didn't open Notepad as Administrator. Also, ensure the file is not read-only.

For the most effective block, you typically add these entries to your hosts file: