A:AnswerThis all-in-one has 1 RAM slot, currently with a 4 GB stick. You can swap the 4 GB stick for an 8 GB stick to add memory. All in ones are complex to disassemble for memory swaps, but Geek Squad may be able to assist.
A:AnswerNo this computer is underpowered to run these programs. Here are the Adobe Photoshop minimum system requirements:
https://helpx.adobe.com/photoshop/system-requirements.html