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Installing Brawta — signed by the company that makes it

The Brawta installer now carries the digital signature of RKhan Investment Limited, registered in Jamaica since 2020. A certificate authority issued that signature only after its own independent check of the company against its registry filings. Here's how to see the signature for yourself, what Windows may still show you for a while, and how to check the file is the exact one we built.

For Brawta v1.0.0 · Windows 10/11
The short version: before you run the installer, check that its signature reads RKhan Investment Limited (two clicks, below). If Windows still shows its blue box, click More info, and check the publisher is us before you click Run anyway. If it says “Unknown publisher”, stop: that file was not signed by us.

1. Check the signature — it's ours

Only install the file from this site (brawta.app) or handed to you directly by us. Before you open it, Windows itself can tell you who signed it:

  1. Right-click the file and choose "Properties"

    The file is Brawta-Setup.exe, usually in your Downloads folder.

  2. Open the "Digital Signatures" tab

    The name of the signer should read RKhan Investment Limited.

  3. Select it, then click "Details"

    Windows should say “This digital signature is OK.”

What that proves: the file was signed by RKhan Investment Limited, and not one byte of it has changed since. Anyone who alters a signed installer breaks the signature, and Windows shows it. If there is no Digital Signatures tab, or it names anyone else, do not install it, and tell us.

2. Windows may still show its blue box for a while

Windows decides whether to warn partly on reputation: how many people have already downloaded and run software from a given publisher. The signature makes us known by name. Reputation comes from downloads, and ours is new. Windows now builds that trust gradually for every new publisher, whatever certificate they hold, so for a while you may still see “Windows protected your PC.” What changes is what the box tells you:

  1. Click "More info"

    It's the small link in the box.

  2. Check the publisher reads RKhan Investment Limited

    If it says “Unknown publisher”, stop. That file was not signed by us.

  3. Click "Run anyway", then follow the installer

    Choose where to install and finish, the same as any Windows app. If Windows asks permission to make changes, that box should also name RKhan Investment Limited as the verified publisher.

As more people install Brawta, the box appears less often, and then stops.

3. Want a second check? The fingerprint

The signature proves who made the file. The fingerprint proves it's the exact file we published for this version, which is worth checking if it reached you on a USB stick or by email. Open PowerShell in the folder where you saved it and run:

Get-FileHash .\Brawta-Setup.exe -Algorithm SHA256

It prints a long code. It should match this, our published fingerprint for v1.0.0 (capital or lowercase letters don't matter):

69678fa1b8210a364754ccfa4a73ba201528c9e732c5ea1fa94e6b3dd11b25f5
If it matches, the file is genuine — carry on. If it doesn't match, first check the version above is the one you downloaded — every release has its own fingerprint, and the download button always serves the newest. If the version matches and the code still doesn't, do not install it, and tell us — that file isn't the one we made.

4. That's it — and your data stays yours

Brawta runs offline for everything you do on your own — calculations, payslips, official forms, backups and the audit trail need no connection at all. Your companies, employees, pay runs and payslips live on your own computer, not in anyone's cloud, and backups are yours to keep, encrypted, wherever you choose. Two-person review and cloud backup need a connection, because they pass work between machines — and every paid plan includes at least two users, so if a second person approves your pay runs, that part is online.

Already using Brawta?

Nothing changes for you. Updates keep arriving through Brawta itself, the same way they always have.

How we got here

Before we had the certificate, this page showed the Windows warning instead of hiding it, and tracked the certificate step by step. A code-signing certificate is organisation-validated: the issuer checks the company against its registry filings before it issues anything. Both steps are done:

1 · Company good standingDone — 31 August 2026

Annual returns lodged and approved, and the Company Status Letter issued by the Registrar of Companies in hand. That is the document the certificate issuer checked us against.

2 · Code-signing certificate & a signed installerDone

The certificate authority ran its own independent check of the company, then issued the certificate. The installer is signed with it, and timestamped, so the signature stays valid after the certificate itself is renewed.

We'd still rather earn your trust than rent it. The signature tells you who made the file, the fingerprint tells you it's the exact one, and you can check both yourself. That's the same way we built the app: your data, your machine, your call.

Ready when you are.

Download Brawta for Windows, or try the whole thing in your browser first — no install, no sign-up.