Laadi ohjelmisto

Hello, I’m looking a freelancer to do/write a software. I want to have a program for windows (pc). The idea of the program is to make a copy of file and rename and change its extension to the same or different folder. This copy happens when program see folder a new program. Someone or some program saved it file a folder. It must watch also 1 or many folder same time and i can tell (some parameter) what's extensions the program looking. Example. I saved excel files project.xls. Then i saved file -> this program see NEW file(on folder) and make a copy this files a differend extension same or differend folder (i want it make a version's). If some files saved again extension of copy named other name. Example project.001, project.002, project.003 etc. And bigger extension number is second new files (because [login to view URL] is new). I want to install this program when I want and how many computer I want. Features what I have to have: - It must be compatible with win 7/8/10 (32 and 64 bit) - Good interface and program started straight systray on minimized or service if builder want to do it. - The customers have to see our own logo and name -The program has to be ready during 30 days -I have to have source code -I want to have 1 years quarantee to the program -If you need special items I will send those to you with pictures and pdf Final paymend will released when all project is completed. Thank you