Winter Wolf: how to get the mount in WoW Forever
Winter Wolf is a mount from Classic that returns in World of Warcraft: Forever. It is a mount from level 40. You learn it from 
Horn of the Winter Wolf.
In short
| Item | Horn of the Winter Wolf |
| Source | Not known yet |
| Level | 40 |
| Riding | Wolf Riding |
| Speed | normal |
| New in Forever | no, from Classic |
| Account-wide | yes, according to the tooltip on the beta |
How to get it
The files of the WoW Forever beta hold this mount, but where it comes from is not known yet. This page gets updated as soon as the beta or the launch shows it.
Riding it needs Wolf Riding.
The game hides this mount in the mount collection until a character has learned it.
What changed since Classic
The item now teaches the mount: it becomes a spell, no longer takes a spot in your bags and counts for every character on the account, according to the tooltip on the beta.
More mounts with Wolf Riding
Every mount of WoW Forever, with where it comes from, is in the mount guide.
Frequently asked questions
How do you get Winter Wolf in WoW Forever?
The files of the WoW Forever beta hold this mount, but where it comes from is not known yet. This page gets updated as soon as the beta or the launch shows it. Riding it needs Wolf Riding.
Is Winter Wolf new in WoW Forever?
No. Winter Wolf was already in Classic and returns in WoW Forever.
Sources: Wowhead