As an administrator, you can install several instances of vRealize Operations build in your VM environment. What to read next Introduction to Express InstallationExpress installation is one possible way to create primary nodes, add data nodes, form clusters, and test your connection status. You can use express installation to save time and speed up the process of installation when compared to a new installation. Do not to use this feature unless the user is an administrator. Advantages of an Express InstallationExpress installation saves time when compared to a new installation to create a new primary node. The express installation uses the default certificates, which differ from one organization to another. This feature is mainly used by the developers or the administrators. Parent topic: Installation Types