In the following video you can see a full process of installation of Android 5.0 Lollipop ROM on Samsung Galaxy Note 3 SM-N900. The rom is a leaked version of Samsung stock rom. It is not officially released in India. Though it works really well. Pleaes the full video and read the instructions in below guide before installing it. Also you can download the Rom package which has all required files. Under Howto section of Guides you can find How to install Android 5.0 Lollipop OS on Samsung Galaxy Note 3 N900 guide. This will give you all require details and downloads needed for installing Lollipop on Note 3.