Easy enough.
Hit "print screen"
It's at the top right of your keyboard.
Open ms paint.
(Or hold windows key and press R. Type mspaint and hit enter, if you wanna learn a shortcut)
Hold ctrl and press V. (Paste)
Do a selection around the thumbnail or area you want.
Right click and choose "crop"
Then save that sucker to the desktop.
Alternatively, just view the pic on your cell phone.
Pinch to zoom on it.
Hold volume down and power button at thr same time to screenshot.
Android: itll be in "pictures\screenshots"
Apple: latest pic in gallery.
Why am i saying all this? Because you can also bypass right click disallowing on your webpages if you really, reallllly wanna save something.
Tomorrow's lesson: viewing source code, recognizing media sources and decrypting hashes to save tube videos manually because #Reasons.