If you want to install a shower over a concrete floor a fiberglass shower stall will work just fine.
Concrete floor shower drain installation.
A drain pipe is already in place.
Ideally you ll already have a drain roughed in with the pipe sticking a few inches above the floor.
The first step is to decide on the schematics of the shower base and ordering it.
This video takes you through the step by step process of installing an oatey shower pan liner.
To achieve this ensure that the floor is able to carry the weight of your shower base.
Otherwise you have to break through the concrete to run a new line for a shower stall installation.
It is easy to learn how to install a shower in the basement without breaking concrete.
How to install a shower drain in the concrete floor.
If you ever asked this question before then start by planning the execution of this job.