@buddingphotographer, Yes, I have Windows Photo Gallery, and also Microsoft Office Picture Manager (part of Office 2010, I think). I’ll try both of these. If I have trouble, I’ll check back with you.
@thefarmhand, I believe I had my camera set on cool white fluorescent. Thanks for your generous offer, but I’ll probably have 40 or so to fix. I’ll try Photo Gallery first. Do you know if Lightroom is available for one-time purchase, vs. monthly on-going subscription? Regarding Photoshop Express, I do have windows 8 tablet, so perhaps I’ll try the app as well.