Special Altboot packages are model and release specific. V114, V120, V121 and V122 are catalogue labels; they do not establish compatibility on their own.
Find your instructions
- Open the product from your order in My Account.
- Confirm the exact supported model and selected release.
- Read the product’s installation guide and any instructions inside the archive.
- If instructions are missing or unclear, use Get support on that order. Include the machine model, installed version and error message.
When a guide is not available
Do not use a generic Altboot procedure or instructions for a neighbouring model. We will confirm the appropriate procedure through your order-linked support case.