Photoshop is a very powerful image manipulation software which has now become a verb. 'Photoshopping' an image can achieve magnificent alternate realities, as well as get rid of little Jimmy's unfortunate cold sore in the family portrait.
The problem is the price. Adobe charge handsomely for the use of this product and unless you are fortunate enough to get a copy for work purposes, it may be beyond your reach.
Step up the free alternatives. I'll let you read the article for the full run down, but here are the highlights -
Best free photo editors 2019 at a glance:
1.GIMP
2. Ashampoo Photo Optimizer 2019
3. Canva
4. Fotor
5. Photo Pos Pro
6. Paint.NET
7. PhotoScape
8. Pixlr X
9. Adobe Photoshop Express Editor
10. PiZap