Cursor Installation Guide
Complete Cursor Setup Guide
Follow these steps to properly install and configure Cursor AI on your Windows machine
Automatic Process (Recommended)
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Step 1: Uninstall Cursor & Clear Local Storage
Uninstall Cursor from Windows Settings or Control Panel. Then clear Cursor local storage from your browser by going to cursor.com, pressing F12, navigating to Application → Storage → Clear site data.
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Step 2: Reinstall Cursor
Download and install a fresh copy from the official website
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Step 3: Run PowerShell Script
Run the following script as Administrator in PowerShell to clean all Cursor data and generate a new Machine ID:
# Run PowerShell as Administrator # Define folder paths $folders = @( "$env:APPDATA\\Cursor", "$env:LOCALAPPDATA\\cursor-updater", "$env:LOCALAPPDATA\\Programs\\cursor" ) # Delete the folders if they exist foreach ($folder in $folders) { if (Test-Path $folder) { try { Remove-Item -Path $folder -Recurse -Force Write-Host "Deleted: $folder" } catch { Write-Host "Failed to delete: $folder - $_" } } else { Write-Host "Not found: $folder" } } # Generate new MachineGuid $newMachineGuid = [guid]::NewGuid().ToString() Write-Host "Generated new MachineGuid: $newMachineGuid" # Update Registry MachineGuid try { Set-ItemProperty -Path "HKLM:\\SOFTWARE\\Microsoft\\Cryptography" ` -Name "MachineGuid" -Value $newMachineGuid -Type String -Force Write-Host "MachineGuid successfully updated." } catch { Write-Host "Failed to update MachineGuid - $_" }
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Step 4: Create New Account with Temp Email
Use a temporary email for sign-up. Open the service, copy the address, sign up in Cursor, then verify with the code sent.
Installation Complete! After following all steps, restart your computer and launch Cursor. You should now have a fresh installation with a new machine ID.
Manual Process
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Step 1: Clean Uninstall
Manually uninstall Cursor from Windows Settings → Apps & Features. Then navigate to the following folders and delete them if they exist:
%APPDATA%\Cursor
%LOCALAPPDATA%\cursor-updater
%LOCALAPPDATA%\Programs\cursor
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Step 2: Registry Cleanup (Optional)
If you want to reset the machine ID, open Registry Editor (regedit) and navigate to:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography
Generate a new GUID and replace the MachineGuid value.
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Step 3: Fresh Install
Download and install Cursor from the official website, then create a new account using a temporary email.
Manual process complete! This approach gives you more control but requires more technical knowledge of Windows file system and registry.