These are some steps for download any youtube video without any download manager:-
Step 1: Open Youtube and search any youtube video.
Step 2: Now type “ss” before the youtube and hit enter.
step 3: New link will open ,now Select the file format and download.
step 4: That’s it. Now enjoy your video.
These are some steps for change the default name of computer:-
Step 1: Open run box .
Step 2: type “sysdm.cpl” in the box and hit enter.
step 3: Now click on change and edit the default name of computer.
step 4:Click OK and now restart your computer and check the computer’s properties.
wow !! now your default computer name has been changed.
you can learn from here: