import { CertificateDownload } from '../../../components/CertificateDownload'

# Installing Root CA

To ensure your browser trusts certificates issued by TrustLab, you must install our Root CA.

<div className="my-8">
  <CertificateDownload />
</div>

## Manual Installation Guide

### Windows
1. Download the Root CA (`.crt`) or use the auto-installer above.
2. Double-click to open.
3. Click "Install Certificate".
4. Select "Local Machine" (Requires Admin).
5. Choose "Place all certificates in the following store" -> **Trusted Root Certification Authorities**.

### macOS
1. Download the Root CA.
2. Open in Keychain Access.
3. Double-click the certificate.
4. Expand "Trust" and select "Always Trust".

### Linux (Debian/Ubuntu)
```bash
sudo cp trustlab-root.crt /usr/local/share/ca-certificates/
sudo update-ca-certificates
```

### Android
1. Settings > Security > Encryption & Credentials.
2. Install a certificate > CA Certificate.
3. Select the downloaded `.crt` or `.der` file.