📞 Toll-Free Number (USA): +1 (844) 886-3118 🕒 Available: 9 AM – 9 PM EST 🌎 Remote Support Available Across All 50 States Where to buy a windows activation key You can buy Windows activation keys from the official Microsoft Store for full retail, authorized retailers like [[Amazon.in](https://mssupport.tech/)](https://) for digital keys, or online key resellers like Keysfan, [G2A, o] (https://mssupport.tech/)r Hookies for cheaper OEM/discounted keys, with options available during or after installation via Settings > System > Activation in Windows.