Note: pack is still in alpha, if you want to test the pack, download it on minecraft.curseforge.com!
(There is no download on curse.com as long as the pack is in alpha.)
If you download the pack, please give a short feedback to improve the pack :D
The pack isn't finished yet - check this for a list of included blocks/items/…
Changelog - To-Do-List - OptiFine
Some videos:
The Bow
How to install:
1. Start Minecraft
2. Go to Options > Resource Packs > Open Resource Pack Folder
3. Put the downloaded ZIP-file into this folder and you're done!