The developers have tested the ISO upgrade process. However, as with any operating system modification that goes beyond standard Microsoft updates, there is a small risk of encountering issues (this is why it's labelled "experimental" in some guides). Being thorough with backups and following the steps carefully will minimize this risk.
The upgrade requires at least 5GB of free space in /var and 2GB in /boot : revios 10 23.08 upgrade
: A custom, integrated user interface that allows you to easily manage system behaviors, toggle Windows updates, and toggle security layers seamlessly. The developers have tested the ISO upgrade process
As the installation proceeds, the ReviOS system will automatically apply optimizations and remove bloatware. Step 3: Post-Installation toggle Windows updates