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WhatsApp number filter download (Windows): install + first run checklist
By Marketing Wala Pakistan • Jan 2026
Checklist
- Windows PC with stable internet
- Updated Google Chrome
- Your WhatsApp account(s) ready for login
- Prepared input list (formatted + duplicates removed)
First run: do this once
- Open the app and complete activation (if required by your plan).
- Login to WhatsApp session(s) you will use for checking.
- Run a small test batch before processing a big file.
Common issues
- Driver/browser mismatch: keep Chrome updated and follow the app’s driver update guidance.
- Unstable sessions: reduce batch size and avoid switching accounts during an active run.
- Dirty data: fix formatting and duplicates before checking.
