Chris Titus Tech's Windows Utility will convert services to manual instead of disabling them, and it shows you exactly what it does:Stopped disabling sysmain and search, as there is no considerable gain.
I prefer not using software; I do my services and registry sabotage manually.
Services - Set to Manual
config/tweaks.json146 "WPFTweaksServices": { 147 "Content": "Services - Set to Manual", 148 "Description": "Sets some services to Manual startup and adjusts the SvcHostSplitThresholdInKB registry value to better match system memory, which can significantly reduce the number of svchost.exe...