Personally I use GIMP which is free alternative to Photoshop and is open source. This is a full blown application and is not entry level.
https://www.gimp.org/downloads/
For basic needs, I use Irfan view which can be downloaded from Microsoft Store.
https://www.microsoft.com/en-us/store/p/irfanvi...
Disclaimer 1 - Using Third Party Software is completely at your own risk. This advice is in my personal capacity as a volunteer.
Disclaimer 2 - This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.