As a warm up to writing my best-practices posts, I decided to answer this frequently asked question on the PowerShell wiki at PoshCode. I’m not going to repeat the whole post here, but suffice it to say that there’s a good explanation on the How Do I Install a PowerShell Module page, along with this script:
[...] F.A.Q.: How do I Install a PowerShell Module (Joel Bennett) [...]
[...] Joel ‘Jaykul’ Bennett points out some script and links for How do I Install a PowerShell Module [...]