Just curious.
- Internal HDD/SSD. By overwriting my previous OS (can be clean install or upgrade). (e.g. Snow Leopard)
- Internal HDD/SSD. By making a new partition and installing it there.
- External HDD/SSD. Erased HDD and just installed it.
- External HDD/SSD. Repartitioned to not lose any data and installed on a new partition.
- USB-stick/SD-card.
- Internal HDD/SSD. By overwriting my previous OS (can be clean install or upgrade). (e.g. Snow Leopard)
- Internal HDD/SSD. By making a new partition and installing it there.
- External HDD/SSD. Erased HDD and just installed it.
- External HDD/SSD. Repartitioned to not lose any data and installed on a new partition.
- USB-stick/SD-card.