⚡ Instant delivery within 5–15 minutes when online 🌙 If offline, please leave your order/message—delivery will be completed as soon as possible 💬 Fast support & quick response! Immediately after payment, you will automatically receive an official 25-digit license key to activate Windows 10 Pro or Windows 11 Pro. 📌 PRODUCT SPECIFICATIONS: • Product Type: Retail / OEM License Key (5x5 format: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX) • Edition: Windows 10 Professional / Windows 11 Professional (32/64-bit) • Region: Region-Free / GLOBAL (Works anywhere in the world) • Language: All languages supported (Multilingual) • Activation: Online (Enter the key in system settings) • Validity: Permanent activation on 1 PC 💎 BENEFITS: • Official Microsoft updates and support. • No time limits or expiration dates. 🛠️ ACTIVATION INSTRUCTIONS: 1. Click the Start menu -> Settings -> Update & Security -> Activation (or System -> Activation). 2. Click "Change product key". 3. Enter the 25-digit key you received from us and click "Next". 4. Your system is now permanently activated! ⚠️ IMPORTANT INFORMATION: - This key CANNOT be used to activate Windows Enterprise, Home, or LTSC. Your installed OS must match the Pro edition. - If you face any issues, please do not rush to leave negative feedback. Contact us via the "Correspondence with the seller" tab on the Oplata.info page, and we will help you immediately! 🎁 Leave a positive review after your purchase to receive a gift certificate discount for your next orders!