Have a look at Photoshop CS1 portable:

Apart from these cosmetic enhancement there are some functional changes as well like the cropping has become more easy. The content aware functionality has been enhanced greatly and there is a new feature known as Content Aware Move which will fill in the gap of the portion very intelligently when you will move a portion of your image to other position. New blur options have been introduced which will allow you to set the depth of the blur and to select the exact portion of the image which you want to develop.

Features:

  • Live, nondestructive modifications utilizing the corrections panel.
  • Re-editable, feathered and so density-controlled masks.
  • Enhanced Auto-Blend with seamless tones and so colors.
  • 360° panoramas.
  • Content-Aware Scaling.
  • Extended level of industry.
  • Camera Natural with localized and so modifications.
  • Enhanced Smart Things.
There are 2 ways to do Run as administrator:
1. You can right-click on the .exe file, choose Run as administrator. (You have to do this everytime opening the program).
2. Right-click on the .exe file, choose Properties, switch to Compatibility tab, then tick in the box Run this program as administrator. (Setup this for 1 time, then you can double-click to run this program without setting up this again). Follow what I do in the video to set up that.

Download Adobe Photoshop CS1 Portable