To run a PowerShell script, first adjust the execution policy if needed by running Set-ExecutionPolicy RemoteSigned as Administrator when Get-ExecutionPolicy returns Restricted; then save your script with a .ps1 extension like C:\Scripts\hello.ps1; navigate to its directory using cd C:\Scripts or use the full path to execute it via .\hello.ps1 or PowerShell.exe -File "C:\Scripts\hello.ps1"; alternatively, right-click the file and select "Run with PowerShell" if available; resolve common issues by unblocking downloaded files with Unblock-File -Path C:\Scripts\hello.ps1 and ensuring correct paths are used; for better editing and debugging, consider using VS Code with the PowerShell extension or PowerShell ISE.
Running a PowerShell script in Windows is straightforward, but there are a few important steps and settings you need to be aware of—especially around execution policies. Here’s how to do it properly.
1. Create or Locate Your PowerShell Script
A PowerShell script is a file with a .ps1 extension. For example, myscript.ps1. You can create one using Notepad or any code editor:
# Example: hello.ps1 Write-Output "Hello, World!"
Save it with a .ps1 extension, preferably in a simple path like C:\Scripts\hello.ps1.
2. Check the Execution Policy
By default, Windows may block script execution for security. Open PowerShell as Administrator and run:
Get-ExecutionPolicy
If it returns Restricted, scripts won’t run. To allow local scripts, use:
Set-ExecutionPolicy RemoteSigned
RemoteSignedmeans only scripts from the internet need signing; local scripts can run.- Confirm the change when prompted.
?? Be cautious with execution policies in enterprise environments—check with your IT policy first.
3. Run the Script
You can run the script in several ways:
Option A: Using PowerShell
Open PowerShell (no need for admin unless the script requires it) and run:
.\hello.ps1
Make sure you’re in the directory where the script is located. Use cd C:\Scripts to navigate.
Option B: Run from Any Location
Use the full path:
C:\Scripts\hello.ps1
Or with the PowerShell.exe -File command:
PowerShell.exe -File "C:\Scripts\hello.ps1"
This is useful for shortcuts or Task Scheduler.
Option C: Right-Click and Run
You can also:
- Right-click the
.ps1file - Choose "Run with PowerShell"
Note: This option may not appear if you’ve changed default app associations.
4. Fix Common Issues
"Cannot be loaded because running scripts is disabled"
→ Go back to Step 2 and adjust the execution policy."Permission denied" or script doesn’t launch
→ Make sure you’re allowed to execute scripts and the file isn’t blocked.Unblock a downloaded script with:
Unblock-File -Path C:\Scripts\hello.ps1
Path issues
→ Always use the full path or navigate to the script’s directory first.- Use PowerShell ISE (built-in on older Windows)
- Or VS Code with the PowerShell extension (recommended)
5. Optional: Use PowerShell ISE or VS Code
For editing and running scripts more easily:
These give better debugging, syntax highlighting, and one-click run options.
Basically, just make sure execution is allowed, navigate to your script, and run it with .\scriptname.ps1. The key hurdle is usually the execution policy—not the command itself.
The above is the detailed content of How to run a PowerShell script in Windows. For more information, please follow other related articles on the PHP Chinese website!
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