Built into Windows and very easy to use for basic slideshows.
NCH Software provides a version of PhotoStage that is completely free for personal use. This version does not require a registration code and does not expire. Nch Photostage Registration Code Free
If you see a website promising a "lifetime registration code" or a "serial key generator," be extremely careful. 🛡️ Security Risks Built into Windows and very easy to use for basic slideshows