To upload a video on YouTube, you need a YouTube account and internet connection. The steps are: 1. Sign into your YouTube account with your email and password. 2. Click the camera icon at the top of the page and select "Upload video." 3. Select the video you want to upload from your computer or import from other sources. 4. Edit the video information and settings, like privacy, while it uploads. 5. Click "Publish" to complete the upload and make the video publicly available on your channel.