diff --git a/GetGenshinWishLink.ps1 b/GetGenshinWishLink.ps1
new file mode 100644
index 0000000..07e6d5e
--- /dev/null
+++ b/GetGenshinWishLink.ps1
@@ -0,0 +1,40 @@
+$logLocationCN = "%userprofile%\AppData\LocalLow\miHoYo\$([char]0x539f)$([char]0x795e)\output_log.txt";
+$logLocationGlobal = "%userprofile%\AppData\LocalLow\miHoYo\Genshin Impact\output_log.txt";
+
+$pathCN = [System.Environment]::ExpandEnvironmentVariables($logLocationCN);
+$pathGlobal = [System.Environment]::ExpandEnvironmentVariables($logLocationGlobal);
+$findCN = [System.IO.File]::Exists($pathCN);
+$findGlobal = [System.IO.File]::Exists($pathGlobal);
+
+if ($findCN -And $findGlobal) {
+    Write-Host "Find both China and Global log file. Please choose one. Press [1] for CN, [2] for Global." -ForegroundColor Yellow
+    $keyInput = [Console]::ReadKey($true).Key
+    if ($keyInput -eq "NumPad1" -or $keyInput -eq "D1") {
+        $path = $pathCN
+    } elseif ($keyInput -eq "NumPad2" -or $keyInput -eq "D2") {
+        $path = $pathGlobal
+    } else {
+        Write-Host "Invalid input." -ForegroundColor Red
+        break
+    }
+} elseif ($findCN) {
+    $path = $pathCN
+} elseif ($findGlobal) {
+    $path = $pathGlobal
+} else {
+    Write-Host "Cannot find the log file. Make sure to open the wish history first." -ForegroundColor Red
+    break
+}
+
+$logs = Get-Content -Path $path
+$match = $logs -match "^OnGetWebViewPageFinish.*log$"
+
+if (-Not $match) {
+    Write-Host "Cannot find the wish history url. Make sure to open the wish history first." -ForegroundColor Red
+    return
+}
+
+[string] $wishHistoryUrl = $match[$match.Length - 1]  -replace 'OnGetWebViewPageFinish:', ''
+Write-Host $wishHistoryUrl
+Set-Clipboard -Value $wishHistoryUrl
+Write-Host "Link copied to clipboard." -ForegroundColor Green
diff --git a/README.md b/README.md
index 07ff163..78e64ee 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,11 @@
 # GetGenshinWishLink
 A script for getting Genshin Impact wish links on Windows.
+
+## How to use
+Open Windows PowerShell and run any one of the following commands.
+```
+iex ((New-Object System.Net.WebClient).DownloadString('https://raw.githubusercontent.com/zhxycn/GetGenshinWishLink/main/GetGenshinWishLink.ps1'))
+```
+```
+iex ((New-Object System.Net.WebClient).DownloadString('https://cdn.jsdelivr.net/gh/zhxycn/GetGenshinWishLink/GetGenshinWishLink.ps1'))
+```