Open Computers and Forge 1.10.2 installation:

- First you will need to download and install Minecraft Forge 1.10.2
http://files.minecraftforge.net/maven/net/minecraftforge/forge/index_1.10.2.html

- Next you will need to download Open Computers 1.10.2
https://github.com/MightyPirates/OpenComputers/releases

- Then goto .minecraft (Windows search "%appdata%") and copy the Open Computers jar file into your mods folder

- Finally launch Minecraft and select Forge 1.10.2 or whatever it has called itself and play