Regarding Macrium Reflect, there's good news and bad news.
The good: You can schedule some backups
The bad: You can only schedule Windows backups/System Images in the free edition. For file backups, you need to buy the paid version.
If you're o.k. with paying for a backup program, I've also heard very good things about Acronis True Image
. It looks like Acronis is just a little bit more expensive than Macrium.
If you want to stick with Freeware, you could try EaseUS Todo Backup Free
. I've never used it, but it certainly is popular (I have used another program made by the same company and it's work very well).