For networked Macintosh, Instant Update allows more than one user to work on the same 'live' document at one time. Keep up-to-date with the latest changes in any live document. Work on documents when it's convenient for you. Instant Update allows you to add new document participants at any time. The easiest way to get the right information from the right people at any time. Instant Update Pricing; 1 copy; £275.00. 5 copies; £575.00.