How do I change and get SD to HD quality image on GIMP

[rich2005]

(05-09-2019, 11:31 PM)zabd1805 Wrote: Can someone please explain this to me again, so I can see the video or the number of steps with freeze images for example?

and from earlier: 
I want to sharpen the image and yes, I want a larger image as well. So, I'm on Windows 10 and the GIMP version is 2.8.10

The basics, scaling and sharpening. 





direct link: https://youtu.be/2YW6WHX2epw duration about 3 minutes.