Step 1: Go to gemini.google.com.
Step 2: Look at the bottom-left sidebar. Click the icon labeled Gems.
Step 3: Click the + New Gem button at the top.
Step 4: Name your Gem (e.g., “GemForge Chef”).
Step 5: Open your purchased .txt file. Copy the entire block of text.
Step 6: Paste that text into the Instructions box in Gemini.
Step 7: Click Create. Your new expert is now pinned to your sidebar.