WatchWin is made for those people who have large disks (especially LAN administrators) and want to know where the disk space is being used. Using the program is very easy with either a mouse or from the keyboard. Simply select a directory to scan, and the total sizes of all subdirectories under the target directory will The concept of WatchWin is simple: From a starting directory, WatchWin scans all the sub-directories and finds out how much space the next directory down and its sub-directories take up. For example, if you are at the root directory in the diagram below, WatchWin will report the sizes of the USERS, MAIL, MISC, PUBLIC, and PROGRAMS with the sizes of their sub-directories included. If you were in the USERS directory when you ran WatchWin, the sizes of the directories DANA, ERIC, BRETT, HECTOR, AUDREY, CLIFF, NORMA, and GREG would be displayed. (root)--+--USERS---+-DANA | +-ERIC +--MAIL +-BRETT | +-HECTOR +--MISC +-AUDREY | +-CLIFF +--PUBLIC +-NORMA | +-GREG +--PROGRAMS It is important to note that the directory sizes displayed are in K (meaning 1024 bytes) and THE SIZE SHOWS HOW MUCH DISK SPACE IS BEING USES, NOT HOW MANY TOTAL FILE BYTES THERE ARE. These are actually two different numbers since DOS allocates disk space on a cluster basis (usually 4096 bytes/cluster). That means if you have 100 2 byte files, you are actually using 100 * 4096 = 409,600 bytes of disk space, NOT just 200 bytes as it may appear. Also note that the directory size includes hidden and system files as well as files stored in hidden directories. The feature that makes WatchWin so valuable is the ability to store directory names and associated sizes with the date of that size. If one moring you have a lot less disk space than expected, run WatchWin and compare today's directory sizes with a previous day's sizes--WatchWin makes this particularly easy with it's side-by-side column display. By using the normal cursor control keys or scroll bars, you can scroll through the list (including side-to-side) to see a history of your disk space usage. And WatchWin is even more powerful if you register and get the updated version! This demonstration program does not have the ability to sort the rows of the report by change in size, only by size and name. But if you register, you have the ability to press two buttons and instantly sort on size or change in size--Seeing where lost disk space went couldn't be easier. Also, as mentioned above, the registered version has the ability to print to files. In addition, by registering, you will get the upgrade which can handle 2048 directories (this version has a maximum capacity of 256 directories). Plus, the upgrade will remember the last 6 directory sizes for each directory, as opposed to the limit of 3 for this version. Both this copy and the upgrade version only record the last 3 and 6 updates respectively in order to keep the DIRSIZE.DAT files small and to keep updating as quick as possible. Probably the most powerful reason to upgrade is WatchWin's ability to save all the data files in a single directory--rather than in the target directory like WATCHDSK did. Last but not least, the upgrade is personalized with your personal or company name in the upper right hand corner of the screen. If you find WatchWin useful and want the upgrade, you can order the upgrade by sending $35 to: Douglas R. Nebeker 17527 - 201 Ave NE Woodinville, WA 98072 WARRANTY: THIS PRODUCT IS WARRANTED TO BE FREE OF DEFECTS IN MATERIAL AND WORKMANSHIP. DOUG NEBEKER'S ENTIRE LIABILITY SHALL BE LIMITED TO THE PRICE OF THIS PRODUCT AND SHALL NOT INCLUDE OR EXTEND TO ANY CLAIM FOR ANY OTHER DAMAGES, INCLUDING BUT NOT LIMITED TO, LOSS OF PROFIT, DATA OR USE OF THE SOFTWARE. IN NO EVENT WILL DOUG NEBEKER'S LIABILITY FOR ANY DAMAGES TO YOU OR ANY OTHER PARTY EVER EXCEED THE ACTUAL PRICE PAID FOR THE PRODUCT.