You can install version v184.108.40.2060 of the Hiro Wallet browser extension from source using the following instructions.
First, download and unzip the stacks-wallet-chromium.zip file from GitHub.
Then move the unzipped folder to somewhere on your computer where you can keep it safe from deletion (e.g. your home folder).
For Chrome, Brave or Edge:
Alternatively, for Firefox:
As such, we recommend installing from source only if you have a particular need, such as accessing a newer version that isn't yet available on those stores given wait times for approval.