I use Luma fusion on my iPad and Davinci on my PC. Davinci will work on older PC's just have to adjust a few settings. This YouTube video explains what you need to change.
https://www.bing.com/videos/search?q=learn+color+grading&view=detail&mid=7BCEED9666897F22D0BB7BCEED9666897F22D0BB&FORM=VIRE...