Open blocked sites in your country as in Pakistan and other countries youtube was blocked but students want to learn and get their study material so they use different proxy and software. Here is a big problem after few days or weeks those software become expire due to their trial version.
Now Open Youtube and other blocked site and start your learning again.
How to Install Web Freer
Download Web Freer Browser
Extract the Zip file
Open that extracted folder and Run the compressed file Freer.exe
After the installation enjoy Youtube and other sites
Web Freer is a secure browser. It is just like Chrome and Firefox. User Friendly.