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If you want to do screencaps,just do what I do. Get the GIMP for Windows (I use Linux,but it works the same way) https://gimp-win.sourceforge.net/ Then install that program along with the GTK libraries on that page. After you get it running,go to File > Acquire > Screenshot. Thats it,and it makes pretty good screenshots.
Irfanview (www.irfanview.com) has an excellent screen capture facility. You can set it to take various screen captures, with or without the cursor, of different parts of the window, and even automatically time the captures.