This - but I’d take it a step further and use a small-ish USB 3.2 SSD with Ventoy instead. That way, your live Linux experience isn’t kneecapped by having to load programs off a slow USB stick. In a pinch you can use a SATA SSD with a USB-SATA adapter too, that way you can cram a ton of ISOs on there and go to town.
As others have said - Live USB.
Set up a USB stick with Ventoy and you can throw a bunch of distros on there so you can trial all of them without needing to flash a new USB.
Just put the ISOs on the Ventoy flash drive and boot into Ventoy.
This - but I’d take it a step further and use a small-ish USB 3.2 SSD with Ventoy instead. That way, your live Linux experience isn’t kneecapped by having to load programs off a slow USB stick. In a pinch you can use a SATA SSD with a USB-SATA adapter too, that way you can cram a ton of ISOs on there and go to town.
A decent quality USB 3 flash drive will be plenty fast for a read only live boot.