Need help on to where I should Install Oracle

I would like to install a version of Oracle on my laptop. Do you think I should do it on my laptop that I use frequently or do I need another PC/Laptop?

If you are using an earlier release of Oracle Database and want to install a later release of the Oracle Database software, then you can upgrade your existing Oracle Database and use it with the new release of the database software. See "Upgrading a Database".

This chapter contains the following sections:

Overview of Installing Oracle Database Software and Creating a Database
Installing Oracle Database Software
Creating and Managing a Database with DBCA
Installation: Oracle By Example Series

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No, you can do it on same.