MINI BKLINDS are better one choice.
this is less expensive and easy to install and usage.
You can buy frosted spray paint and even a plastic film to cover it only thing if the sun is directly on your garage it might make the film peel off...good luck.... 3-15-20
My neighbor used the frosted spray paint. It took 2 good coats to get the windows where you could not see thru.
Hi Susie: You could put some window film on it. There are some patterned window films available that are really pretty. Home Depot has some really nice ones, and they also have heat control film. Here is the site for that:
Window film comes in privacy styles, and I recently got one thats shatter-proof that I haven't put on yet. Amazon has a great selection of privacy films... https://www.amazon.com/s?k=privacy+window+film+see+out+not+in&crid=1MC17ZMNCKR8R&sprefix=privacy+window+film%2Caps%2C262&ref=nb_sb_ss_ts-a-p_4_19