Macaw's Windows Mod

Windows would be a nice littile addition to Minecraft. You can use them to make your builds look a lot more detailed. Macaw's Windows adds a ton of window variants along with other window related blocks. The creator of this mod, Macaw, is very popular in the Minecraft modding community for the amazing mods he has created. So you can expect this mod to be of very good quality. One thing to note is that these windows are very vanilla friendly and looks very Minecrafty. So they will not look out of place when you add them to your builds. 

This is a Forge mod and download links are given below.