how to make administration priviliges?

my brother make a new user account in my computer i have my account too but he did another one but when i wanted to download a program the coomputer said that i dont have sufficent computer priviliges could some body tell me how to put the priviliges to download softwares please

Answers:
He is trying to protect the computer for your own good.

Other answers:
Your brother is the one with the admin abilities. Since he is the one who created the user accounts on the pc, he is the one who could change those settings. Talk to your brother and ask him to either change the settings for your pc account or install the program for you.
Your brother is the one with the admin abilities. Since he is the one who created the user accounts on the pc, he is the one who could change those settings. Talk to your brother and ask him to either change the settings for your pc account or install the program for you.
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