MartabakMan

i downloaded it from https://files.minecraftforge.net/net/minecraftforge/forge/index_1.16.5.html

from the website itself

I've been trying to download forge 1.16.5 for a few days but no matter what I do every time I install it, it just says "Error:Invalid or Corrupt Jarfile" If anyone knows how to fix it pls let me know.