1) Go To This Website:-  https://cosmoproxy.com/
2) Scroll down to "Free Test" Click on it
3) After Clicking On It, You Will See A Dialogue Box Appear, Fill in the Details Like I Filled:-
Email Id - Enter Your Working Email ID ( Don't Add Yopmail, or temp mail, only ADD Gmail )
Skype ID - Leave The Skype ID Blank
Authorized Ip Address: Your real ip that will be bind the proxy with your ip so dont use VPN/PROXY
How Did You Find US: Enter Google
Complete Captcha and Click Get It Now
4) Now You Will Receive An Email From Them Containing The Proxies, and it will be activated in 10 minutes, use after 10 minutes and they are valid for 1 hour.
Repeat this step after 1 hour and enjoy it.