For Windows 10 Step 1 - Open PowerShell or Command Prompt as administrator Step 2 - Install KMS client key slmgr /ipk your_license_key Replace your_license_key with following volumn license keys according to Windows Edition:
Downgrade and dualboot status of almost all iOS devices UPDATED: 2026-02-08 Reddit mirror: https://www.reddit.com/r/iOSDowngrade/comments/j1x7iv/downgrade_and_dualboot_status_of_almost_all_ios/ GitHub Gist mirror: https://gist.github.com/LukeZGD/9d781f1b03a69fa46869384a9407a41a As of updating this post, there is now a free downgrade tool that utilizes a SEP exploit released for A9-A10X devices, turdus merula: https://sep.lol/ Untethered with blobs guide: https://ios.cfw.guide/turdusmerula/ Tethered guide: https://ios.cfw.guide/turdusmerula-tethered/ Save SHSH blobs for signed iOS versions using TSS Saver or blobsaver