1) Open Edge browser
2) Paste this link edge://settings/profiles
3) Type "proxy" in the search box
4) Click "open your computer proxy settings"
5) Toggle button to use a proxy server
6) Insert the proxy IP and Port
7) Click "Save" button
8) Go to https://whoer.net to check your IP
The setting of edge browser to proceed with a proxy will make proxification the whole system, meaning not only the browser will work with the specific proxy, but all your system. Thats why we advice use FireFox browser for cases, when you need go into the web under proxy with particular browser and not the whole system.