Hello,
The CodeWarrior tool version 11.1, is supported in windows 11, this tool supports different connections [P&E USB Multilink Universal / USB Multilink, P&E Cyclone, Open-Source BDM, P&E Full chip simulation]
You can download the tool from this link: CodeWarrior® for MCUs (Eclipse IDE) v11.1
The device status is in "NOT RECOMMENDED FOR NEW DESIGNS (NRND)", but you can still order from the distributors available stock, please refer to product part page in buy options section MC9S08QG8CDTE Product Information | NXP Semiconductors
Best Regards, Luis