Hey there! We understand that you are having issues downloading Beat Saber after activating your device. No worries! We can assure you this is something we've seen before and we'll get it taken care of for you!
Once you activate your new Quest 2 on your account for the first time, you should get an email that has a link to follow to redeem your copy of Beat Saber to your account. If you don't see it in your inbox, make sure you check your junk/spam folders too. Once you do that, you should be able to install it on your headset!
When this is redeem please try the following:
If you can't find the email or have any trouble redeeming it, go ahead and send our team a support ticket to look into it further for you: https://metaque.st/Support