Step 1. Install free program
Download, install and run Freemake Video Downloader.
Step 2. Copy YouTube movie link
Go to YouTube movie page and copy the URL of the video you want to download. Note that Freemake Video Downloader doesn't support movie download from branded YouTube channels.
Step 3. Download YouTube movie
Paste URL in the program. Choose the quality and output format. Click "Download" to save YouTube movie.
You can also get free YouTube music downloads and download 1 hour long videos with Freemake software.