To upgrade your hardware on your 123-reg VPS server you will need to login to your 123-reg control panel via 123-reg.co.uk.
From here you will be able to use the slider options to customise your 123-reg VPS server hardware adding extra RAM, Hard drive space or even upgrading your operating system.
Please note: The maximum customisation limit is a 123-reg VPS with 12 cores, 12GB RAM and a 300GB HDD