SPS/MP
Log in, and choose Help > About. The About dialog box includes the version, build date, and build number.
Image Serving
Go to http://<server>/is/image.
Image Rendering
Go to http://<server>/ir/render.
S7OD (s7ondemand or s7)
Go to the jsp page: s7ondemand/misc/Version.jsp or s7/misc/Version.jsp.
For example: