That's just the OS... tell us about the hardware specs, too.
Premiere Elements 13/13.1 and 14 install and run on Windows 7 Professional SP1 64 bit.
Do you have Windows 7, 8, 8.1, or 10 64 bit computer? In that case, they will run as 64 bit application in your 64 bit system when they are specifically installed on the Windows operating system mentioned.
Have you seen the Premiere Elements System Requirements?
What type of video editing and project details are typical of your planned workflows.
Be aware that the DV and HDV data capture firewire into the Premiere Elements Capture Windows have been discontinued in Premiere Elements 13/13.1 and 14. The last version that has that feature is Premiere Elements 12/12.1.
And, as has been asked, what are your computer resources?
Before any purchase of Premiere Elements 14, please consider downloading and installing the free 30 day tryout of Premiere Elements 14 from Adobe to assure its compatibility with your computer environment and your project goals.
As for After Effects, please take advantage of the specialized expertise at the Adobe After Effects Forum
Also, check out the Adobe document on the After Effects System Requirements
dont know what hardware specs is, Im not in a media business. Just someone
interested in this for hobby perposes. If message isnt going to person that
replied to my earlier message, this is about....If after affects, and
premeire elements 14 or 13 works on windows 7. Im do not know about
specifics, or technical detailed stuff.