Below are some important points you should know if you are upgrading to QTP or QC 10:
1. Are your scripts built in QTP 9.2? No need to worry. QTP10 is capable of running QTP 9.2 scripts (through QC or locally) even if they are not upgraded.
Scripts are automatically upgraded when opened once in QTP10.
2. Integration with 9.2 versions: QTP10 works well with Quality center 9.2 but Quality Center 10 is not compatible with QTP 9.2.
3. Add-ins Installation: The all-in-one install offers all add-ins integrated with core application, Just need to include this single installer on SDS