@Linda ********
we just did this in March, it's easy. To get a tourist visa in KL you need to make an appointment online, they open up about 14 days prior so keep that in mind. The Embassy has the list of requirements on their site so take look at that to ensure you have everything prepared.
When you go to the embassy you have to show your QR code and ID, get entry, wait in line. Once you get called up, the staff go through your paperwork, ask for missing documents and such, take payment and give you a pickup receipt. You go back the next afternoon and show the receipt and collect your passport. Check the sticker before you leave to ensure it's correct.