# Understand versioning
eWizard allows for monitoring the number and scale of changes in your items with common versioning rules.
Let's have a look at this process on the basis of the e-Detailer.
# Initial version
Generally, the eWizard item version comprises three digits.
The counting starts from the 0.0.1 version for the newly created items:
up/how-to/versioning-initial.png)
# Patching
Once the item is modified in Editor, its last digit increases by one:
up/how-to/versioning-patch.png)
No matter, who edits the item–its Creator or any other collaborator–its last digit increases once the Save button is clicked.
# Minor updates
When a new item version is uploaded from the device, its middle digit increases:
up/how-to/versioning-minor.png)
The minor update resets patching upgrades to null. Any further item editing results in patching.
# Major updates
At this point, major digit updates are not applicable.
# Versioning history
You can view the item versioning history on the VERSIONS tab of its Details page:
up/how-to/details-versions-tab.png)
Here you can also roll the item back to any version needed. For this, unfold the required version's more options and click Promote. The promoted version becomes current:
up/how-to/details-versions-promote.png)