...But to really see and check the history, you must be able to see and check what has changed between two points in time, for example, what has changed between two releases of your product, or what was changed to fix a bug, etc. This is where TortoiseMerge helps. It is a diff/merge software tool for Windows with a tight integration for TortoiseSVN. At least for files that consist of text, TortoiseMerge can help you here. It shows you the two versions of a file side-by-side, coloring every modified line in that file. When you reformat your code or text, sometimes you don't really change anything but only split a long line into multiple ones, or you merge multiple lines into one. ...