Download a texture pack.
Wait until it finished downloading.
Press show in folder.
It will open this.
Go onto minecraft, go onto options, press 'resource pack' and press 'open resource pack folder.'
This will open.
Drag the texture pack you downloaded into the resource folder.
Now it is in and close all the folders and it will be in there.
THANKS FOR WATCHING
The creator of this guide has not included tools