Now if you want a trustworthy website to download huds go on:

https://gamebanana.com/mods/cats/1649?_nPage=1&_sSort=Generic_MostDownloaded

and find a hud you like and extract it in your tf2 custom folder(if you don't have custom folder create one) for more detailed help watch this video that is embed in this guide(on screenshots you can see my hud that i downloaded from gamebanana and i cant add other screenshots because they are to large unlucky)