Open older version (or wait a bit if running) and press "Yes" when asked about the update to open the update page with all updating information.
Updating process is the same as always. There are no changes in that.
v.4.00
New look with two themes: Light and Dark. Dark theme is only available for larger than 1400x800 resolutions because of larger sizing. You can still choose "Old Look" in settings for now just in case. Theme can be changed in "CONFIG" -> "Other" -> "Theme.
Added spintax support for tags.
Improved "Save as topic" option to find IDs better.
Fixed conversion to HTML freeze issue in rare cases.