Install service packs and main release on same windows machine for OE

This is a small trick to keep both service pack and main release of OE on windows machines. Most of the time when we file a bug we re-verify the scenario with lower OE version or main release or service pack. There are so many scenarios like that. We can have all the service packs including the main release on a single windows machine with a little effort by modifying  registry(regedit). But we can use only one version at a time. We need to just import the necessary registry values. It will be helpful to have all installation to quickly test and revert back on critical issues and customer issues.

Here are the step:

•  Install 115 @ C:\115\dlc
•  Export Registry (HKEY_CURRENT_USER\Software\PSC\PROGRESS\11.5) as 11.5.reg
•  Delete Registry (HKEY_CURRENT_USER\Software\PSC\PROGRESS\11.5)
•  Install 11.5.1 @ C:\11501\dlc
•  Export Registry (HKEY_CURRENT_USER\Software\PSC\PROGRESS\11.5) as 11.5.1.reg
•  Delete Registry (HKEY_CURRENT_USER\Software\PSC\PROGRESS\11.5)
• Double click the version you want to use

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