Make sure you back up your data.

If you’re running a Pro version of Windows, suspend BitLocker by following these directions.

If you're running a Home version of Windows and have enabled Windows Device Encryption, you will want to disable it. To disable it, press Win + I to open Settings and select Privacy & Security. Select Device Encryption, then toggle the Device Encryption setting to Off.

Find your product key or link your Windows license to a Microsoft account to make sure you can re-activate Windows after the change.