diff --git a/CHANGELOG.md b/CHANGELOG.md
index 82c992c8e0..913f3b0b2b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 ### Code Refactoring
 
 - **hash:** Use `Get-FileHash()` directly ([#5177](https://github.com/ScoopInstaller/Scoop/issues/5177))
+- **installer:** Drop the old installer ([#5186](https://github.com/ScoopInstaller/Scoop/issues/5186))
 
 ## [v0.3.0](https://github.com/ScoopInstaller/Scoop/compare/v0.2.4...v0.3.0) - 2022-10-10
 
diff --git a/bin/install.ps1 b/bin/install.ps1
index b3942513e4..b7f35591e8 100644
--- a/bin/install.ps1
+++ b/bin/install.ps1
@@ -1,78 +1,2 @@
 #Requires -Version 5
-
-# remote install:
-#   Invoke-Expression (New-Object System.Net.WebClient).DownloadString('https://get.scoop.sh')
-$old_erroractionpreference = $erroractionpreference
-$erroractionpreference = 'stop' # quit if anything goes wrong
-
-if (($PSVersionTable.PSVersion.Major) -lt 5) {
-    Write-Output "PowerShell 5 or later is required to run Scoop."
-    Write-Output "Upgrade PowerShell: https://docs.microsoft.com/en-us/powershell/scripting/setup/installing-windows-powershell"
-    break
-}
-
-# show notification to change execution policy:
-$allowedExecutionPolicy = @('Unrestricted', 'RemoteSigned', 'ByPass')
-if ((Get-ExecutionPolicy).ToString() -notin $allowedExecutionPolicy) {
-    Write-Output "PowerShell requires an execution policy in [$($allowedExecutionPolicy -join ", ")] to run Scoop."
-    Write-Output "For example, to set the execution policy to 'RemoteSigned' please run :"
-    Write-Output "'Set-ExecutionPolicy RemoteSigned -scope CurrentUser'"
-    break
-}
-
-if ([System.Enum]::GetNames([System.Net.SecurityProtocolType]) -notcontains 'Tls12') {
-    Write-Output "Scoop requires at least .NET Framework 4.5"
-    Write-Output "Please download and install it first:"
-    Write-Output "https://www.microsoft.com/net/download"
-    break
-}
-
-# get core functions
-$core_url = 'https://raw.githubusercontent.com/ScoopInstaller/Scoop/master/lib/core.ps1'
-Write-Output 'Initializing...'
-Invoke-Expression (new-object net.webclient).downloadstring($core_url)
-
-# prep
-if (Get-Command -Name 'scoop' -ErrorAction SilentlyContinue) {
-    write-host "Scoop is already installed. Run 'scoop update' to get the latest version." -f red
-    # don't abort if invoked with iex that would close the PS session
-    if ($myinvocation.mycommand.commandtype -eq 'Script') { return } else { exit 1 }
-}
-$dir = ensure (versiondir 'scoop' 'current')
-
-# download scoop zip
-$zipUrl = 'https://github.com/ScoopInstaller/Scoop/archive/master.zip'
-$zipFile = "$dir\scoop.zip"
-Write-Output 'Downloading scoop...'
-Invoke-WebRequest -Uri $zipUrl -OutFile $zipFile
-
-Write-Output 'Extracting...'
-Add-Type -Assembly "System.IO.Compression.FileSystem"
-[IO.Compression.ZipFile]::ExtractToDirectory($zipfile, "$dir\_tmp")
-Copy-Item "$dir\_tmp\*master\*" $dir -Recurse -Force
-Remove-Item "$dir\_tmp", $zipfile -Recurse -Force
-
-Write-Output 'Creating shim...'
-shim "$dir\bin\scoop.ps1" $false
-
-# download main bucket
-$dir = "$scoopdir\buckets\main"
-$zipUrl = 'https://github.com/ScoopInstaller/Main/archive/master.zip'
-$zipFile = "$dir\main-bucket.zip"
-Write-Output 'Downloading main bucket...'
-New-Item -Path $dir -Type Directory -Force | Out-Null
-Invoke-WebRequest -Uri $zipUrl -OutFile $zipFile
-
-Write-Output 'Extracting...'
-[IO.Compression.ZipFile]::ExtractToDirectory($zipfile, "$dir\_tmp")
-Copy-Item "$dir\_tmp\*-master\*" $dir -Recurse -Force
-Remove-Item "$dir\_tmp", $zipfile -Recurse -Force
-
-ensure_robocopy_in_path
-
-set_config LAST_UPDATE ([System.DateTime]::Now.ToString('o')) | Out-Null
-success 'Scoop was installed successfully!'
-
-Write-Output "Type 'scoop help' for instructions."
-
-$erroractionpreference = $old_erroractionpreference # Reset $erroractionpreference to original value
+Invoke-RestMethod https://get.scoop.sh | Invoke-Expression