1. Find the path where SymPhoTime is installed by right-clicking on the Desktop shortcut and selecting “open file location”
2. Find the settings.pfs file and make a backup copy. (This files contains all the basic hardware settings and some settings of the appearance of the software
3. Make copies of the User-settings files (*.PUS). These will be wherever you saved them.

1. If you do not have the installation DVDs any more, contact PicoQuant support (support@picoquant.com) for the download links for your software and drivers. Let them know your MicroTime 200 serial number.
2. Install everything according to on-screen instructions
3. Copy the “settings.pfs” file into the SymPhoTime 64 installation folder. You can change the filename of the existing file to have it as a backup (for example as “settings_default.pfs”).
4. Restart the computer
5. If you were using user settings: Start SymPhoTime, load the user setting you'd like to use, and “save user settings as file and desktop shortcut”. This will create a shortcut from which you can directly start SymPhoTime with these user settings.

Updates for SymPhoTime 64 are free. You can always get the latest version from https://www.picoquant.com/products/category/fluorescence-microscopes/symphotime-64-fluorescence-lifetime-imaging-and-correlation-software

Updates of the SymPhoTime 64 should work smoothly by just installing from the installation EXE.