You may use Bridge with an offline license file if you are:
1. on a Monthly OR Annual subscription plan
2. on an Unreal Unlimited plan
3. are a Studio with internal network or certain restrictions in place.
Your offline license file can be found in your Account page at quixel.com/account. To activate Bridge with an offline license file, simply open Bridge > Edit > Settings > and upload your license file in the highlighted tab:
Once you upload the lic file and close the pop-up, it will save automatically. The online library will be visible, but without the ability to download/acquire new assets. The sign-in option/account icon will also not be available.
If you have a working internet without any restrictions like proxy servers, then you will be able to download plugins. If there is restricted internet, please refer to this FAQ.