if you already have velocity installed you can just go ahead and close out the UI and reopen and the update will be applied.
Updated:
[!] Disable full screen optimization to fix blackscreening
[*] Updated to the latest Roblox version
Please only use Velocity IDE on your alt account, Roblox's new update detects any form of client modification (they could patch the bypass at anytime)
Version is now 0.4.4
Injector version: 0.4.4