This is the safest and most reliable method for Windows 7 users. It runs directly in your browser and does not require a high-end PC.
If you're unable to download and install Adobe Photoshop Express on your Windows 7 PC, you can still access a limited version of the app online. Adobe offers a web-based version of Photoshop Express that can be accessed through a web browser. adobe photoshop express download for pc windows 7