Adobe Photoshop Elements is the best and cheapest solution to have a complete photo editing software, without going into a subscription-based plan as Photoshop.
As the name suggests, in this simple software you find the most essential and fundamental tools to edit your photo the best, from color corrections, face adjustments and selection tools. Indeed, Adobe Photoshop Elements is also your best choice also in case you are in doubt: its three different user interfaces make this software completely flexible and independent from your starting level.
Use the Quick and the Guided workspaces to apply quick and guided corrections on your picture, by using automated tools and step-by-step instructions, in case you are a beginner.
When you are ready, switch to the Expert workspace, and get in touch with a professional user interface more close to Adobe Photoshop, to control each pixel of your photo.