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fix installation with bandaid #716

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fix installation with bandaid #716

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efa4560
Update installation.md
MorrowShore Oct 29, 2025
76deb7f
Update installation.md
MorrowShore Oct 29, 2025
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19 changes: 18 additions & 1 deletion docs/installation.md
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Expand Up @@ -16,9 +16,26 @@ You may install pnpm even if you don't have Node.js installed, using the followi
:::warning

Sometimes, Windows Defender may block our executable if you install pnpm this way.

Due to this issue, we currently recommend installing pnpm using [npm](#using-npm) or [Corepack](#using-corepack) on Windows.

If you get the The underlying connection was closed: An unexpected error occurred on a send. error, create a .ps1 file with the following content and run it.
```powershell
add-type @"
using System.Net;
using System.Security.Cryptography.X509Certificates;
public class TrustAllCertsPolicy : ICertificatePolicy {
public bool CheckValidationResult(
ServicePoint srvPoint, X509Certificate certificate,
WebRequest request, int certificateProblem) {
return true;
}
}
"@
[System.Net.ServicePointManager]::CertificatePolicy = New-Object TrustAllCertsPolicy
Invoke-WebRequest https://get.pnpm.io/
```


:::

Using PowerShell:
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