Powershell can be downloaded by Microsoft, for example available in rpm package

Execute the below command to install VMware PowerCLI module (requires internet connection)

[root@linux]/root # /usr/bin/pwsh
PS /root> Install-Module -Name VMware.PowerCLI

Else offline module installation is also available for example PowerCLI

https://developer.vmware.com/powercli/installation-guide

Check PowerShell module PATH

PS /root> $env:PSModulePath

Execute the below command to list available modules

PS /root> Get-Module -Name VMware.PowerCLI -ListAvailable 

Execute the below command update a module (requires internet connection)

PS /root> Update-Module -Name VMware.PowerCLI