This is an updated version of the world’s most popular image editing software in 2020: Adobe Photoshop Lightroom Classic!

Adobe Photoshop Lightroom Classic is a desktop-focused RAW image editor.
Commonly referred to simply as ‘Lightroom Classic’, it requires a subscription to the Adobe Creative Cloud Photography Plan – see my guide on how to buy Lightroom, and this comparison of Lightroom 6 vs CC to see why it’s best to upgrade to the latest version.
Lightroom Classic allows you to organise, edit, print and share your photos.
(There are also Map, Book, SlideShow and Web features, but the majority of your time in Lightroom will be spent editing images.)
A Lightroom Classic subscription also gives you access to Lightroom (aka Lightroom CC/Mobile), a web-based image editor.
You can also edit JPG, DNG, TIFF, PSD, CMYK, PNG, video files, and since the Lightroom Classic 9.2 update, you can even edit enormous PSB files.
Editing is performed via a range of sliders and buttons, and is entirely non-destructive (i.e. you can return to any edited or unedited state of your original file at any time).
Many photographers like to use Lightroom Presets or Creative Profiles to speed up photo edits.

Minimum Windows Requirements
Processor: Intel® or AMD processor with 64-bit support; 2 GHz or faster processor
Operating system: Microsoft Windows 10 with 64-bit support (Version 1803 or later)
RAM: 4 GB of RAM (8 GB recommended)
Hard disk space: 2 GB of available hard-disk space for program installation
Monitor resolution: 1024 x 768 display
Graphics processor acceleration requirements: AMD: Radeon GPU with DirectX 12 support.
Intel: Skylake or newer GPU with DirectX 12 support.
NVIDIA: GPU with DirectX 12 support.
1 GB Video RAM (VRAM). 2 GB of dedicated VRAM (4 GB recommended) for large, high-resolution monitors, such as 4K- and 5K-resolution monitors.