Thanks. Now activate.

Your commercial licence key is in your inbox. Three steps, two minutes, fully offline.

Activate the key

1. 1Download & open BlockBuilder Studio.
   If you haven't yet, grab the Windows portable build. Extract anywhere, double-click BlockBuilder Studio.exe.
2. 2Open Settings.
   Click the gear icon in the top right corner. Scroll to the Licence section.
3. 3Click "I have a key" and paste.
   Paste the BBS2… string from your email. Enter your name exactly as it appears in the email (the signature only validates if the name matches). Click Activate.

Done. The "Personal use only" reminder is silenced. Your name shows in the licence panel as the registered owner.

What the licence covers

• Commercial use of BlockBuilder Studio, sell prints, freelance, agency, paid classroom work
• Every machine you own. No per-device activation limit
• Future updates included through v1.0 and beyond
• Priority email support · 48h reply

Troubleshooting

"Invalid licence key" error, usually means the name doesn't match. The signature includes your name verbatim. Open the email, copy the name exactly as written there (capitalisation, accents, spacing).

Need a refund? 14-day no-questions refund window. Reply to the order email or write to geral@marjers.com.

Lost the key? Same, write to geral@marjers.com with your order number. We can re-issue.

Questions or stuck? geral@marjers.com · Reply time under 48h