Downloading 26 minute instructional You Tube video to my Samsung 10.1 galaxy tablet

Factual Questions
1

I’m going to attempt to assemble a giant 12 X 20 foot gazebo.

I need a portable large screen video guide to help me figure out the instructions.

How do I download the video to my tablet?

2

You just need app, bro. Plenty free. Never needed one for Android, tho. Go, play, experiment.

https://www.google.com/search?client=opera&hs=mdH&ei=J33GW_7tMYWyswHnmKngDA&q=download+video+from+youtube+free+android&oq=download+video+from+youtube+free+android&gs_l=psy-ab.3…0i22i30k1l3.34677.36820.0.36993.12.12.0.0.0.0.182.1605.1j10.11.0…0…1c.1.64.psy-ab…1.11.1604…0j0i20i263k1.0.Jg12bIAUNAA

3

Keepvid.