Anyway to get the latest iPad software update?

It depends if your model can handle the new update.

if your device is one of these, you can, if not, then you cant

• iPad Pro 12.9-inch (4th generation)
• iPad Pro 11-inch (2nd generation)
• iPad Pro 12.9-inch (3rd generation)
• iPad Pro 11-inch (1st generation)
• iPad Pro 12.9-inch (2nd generation)
• iPad Pro 12.9-inch (1st generation)
• iPad Pro 10.5-inch
• iPad Pro 9.7-inch
• iPad (8th generation)
• iPad (7th generation)
• iPad (6th generation)
• iPad (5th generation)
• iPad mini (5th generation)
• iPad mini 4
• iPad Air (4th generation)
• iPad Air (3rd generation)
• iPad Air 2

if your device says it's up to date with 9.4.5 then probably no.

have you tried to use safari to access youtube