Here is the preset that you’ve been looking for. This preset will give a yellow tone in Lightroom. Download the yellow tone Lightroom Preset.
If you’re looking for a tutorial to creating an Instagram Lo-Fi filter in Lightroom, here’s the tutorial on Instagram Lo-Fi filter in Lightroom.
Download the preset to create a yellow tone in Lightroom. No, no email id is required.
Here’s the tutorial to see how to install presets in Lightroom.