Installation
Five simple steps
The wording can vary slightly between Windows, Microsoft Edge, and Google Chrome versions.
- 01
Open your browser downloads
Select the Downloads icon in Microsoft Edge or Google Chrome. Find OneChatBox-Setup.exe, open its three-dot menu, and select Keep.
onechatbox.com↓DownloadsOOneChatBox-Setup.exeWasn't commonly downloaded•••Keep✓ - 02
Confirm that you want to keep it
If the browser asks again, select Show more and then Keep anyway. Continue only if your download came from onechatbox.com.
Downloads!Make sure you trust OneChatBox-Setup.exeOnly continue when you downloaded the installer from onechatbox.com.
CancelKeep anyway - 03
Allow the installer to run
Open the downloaded file. If Windows displays an unrecognized-app message, select More info, verify the app and publisher details, and then select Run anyway.
Windows protected your PC ×✓Microsoft Defender SmartScreenWindows may show this message while OneChatBox builds download reputation.
More infoRun anywayDon't run - 04
Approve Windows permission
Windows may ask whether OneChatBox can make changes to your device. Check that the app is OneChatBox Setup, then select Yes.
User Account Control × - 05
Finish installing OneChatBox
Complete the setup wizard and select Finish. Open OneChatBox, sign in with your registered phone number, and follow the instructions to connect WhatsApp.
OneChatBox Setup ×OInstall OneChatBoxFollow the setup wizard, select Install, and then select Finish.
Install safely
Stop if Windows identifies the file as malicious.
These instructions apply only to an uncommon-download or unrecognized-app notice for the official OneChatBox installer. Never continue if your browser or antivirus says the file contains malware. Download a fresh copy here or contact support.
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