Follow these commands:
1. Run Electrum.
2. Then File New/Restore (Opens a dialog where you give any file_name you want)
3. Then Standard wallet(next)-I already have a seed(next)
4. Put the 12 words with the same order you had written in the pass phrase box(next)
5. After the message 'Please wait' appears the box new password and confirm password
6. Then "Electrum generates new addresses" message appears and after 3 seconds wallet is Ok
There is no need for video. Hope that helps