PowerTip: Reload Your PowerShell Profile
Summary: Reload your Windows PowerShell profile without closing and reopening Windows PowerShell.
How can I reload my Windows PowerShell profile to test some changes I made—without closing and reopening Windows PowerShell?
Use the invocation operator with the automatic $profile variable:
Note Depending on how you have written your profile, you may generate a large number of errors, for example, Drive already exists or Alias already exists.