This is the most popular alternative for international users. You must download the Huawei AppGallery and create an account. Even if you previously bought the app on Google Play, you will likely need to repurchase it (approx. $10–$12) to receive ongoing updates here.
Google searches for "how to update Strelok Pro new free" often lead to cracked APKs. Here is why that is a bad idea: how to update strelok pro new
Open Strelok Pro → Go to (gear icon) → Scroll to the bottom. You will see the version number. This is the most popular alternative for international users