topic Re: Inventor 2021 updates, from build 183 to 421 in Inventor Forum

2021 update download

sellis — Fri, 17 May 2024 13:08:43 GMT

I need to update inventor 2021 to a minimum of 2021.1 but would prefer 2021.5.2. The updates do not appear to be available for download. I downloaded Inventor 2021 through Autodesk Assistant but it was build 183

I am locked into Vault 2021 currently so can not upgrade Inventor to a newer version.

Hoping someone has a download link.

Thanks

Re: 2021 update download

BDCollett — Fri, 17 May 2024 13:32:21 GMT

Re: 2021 update download

sellis — Fri, 17 May 2024 13:34:35 GMT

It no longer shows 2021.

Re: 2021 update download

CCarreiras — Fri, 17 May 2024 13:54:27 GMT

Hi!

Autodesk links by request are temporary, so probably nobody has a working link to give you.

Go to Autodesk website, go to support. and start a chat with an operator.

Have the software the version and the serial number ready to give them.

https://www.autodesk.com/support/contact-support

Inventor 2021 updates, from build 183 to 421

manny_engineer — Sun, 29 Dec 2024 00:15:35 GMT

I am working with a client who is using Inventor 2021 and doesn't wish to upgrade at the moment. So, I searched though these forums and found out how to get Inventor 2021 Trail, which usually Build 183 or RTM or whatever is called basically Inventor 2021.0.

I cant open drawings without crashing, these drawings were created by me 4 years ago using Inventor 2021 when I worked for this client on their own PC. After wasting 10 hours, I came to conclusion that their Inventor 2021 was updated to the latest build Inventor 2021.5.2, and because I'm opening it on Inventor 2021.0.1, it was causing the crashes. I cant find any updates anywhere.

Re: Inventor 2021 updates, from build 183 to 421

manny_engineer — Sun, 29 Dec 2024 00:20:00 GMT

So, I reached out at-least 6 times using the chat feature. That was waste of time. I was emailed by support that they will not help me because I am on Trail Version and that support is only provided to "PAID COMMERICAL USERS". So, I bought a monthly license and logged into Inventor 2021 to activate it. And now its activated, but still on 2021.0.1. I have tried the "Help menu" and Autodesk App" , I do not see any updates. Now I have wasted good 2 days and connect support again. And what do I get repeat of earlier experience, even after getting paid license.

So, now I'm 550$NZ out of Pocket, with non-existent support. I did get links to Inventor 2021.5.2, but it wont install, because I need to install all updates Incrementally from 2021.0, 2021.1, all the way to 2021.5.2. Then support sent me link to download inventor again, I downloaded and re-installed, but its still build 183.

Re: 2021 update download

manny_engineer — Sun, 29 Dec 2024 00:47:14 GMT

I have same issue, support doesnt know what to do.

Re: Inventor 2021 updates, from build 183 to 421

kacper.suchomski — Sun, 29 Dec 2024 02:45:39 GMT

This software is no longer available by default. Autodesk provides installers for three previous versions.

However, you can go into your account and talk to Autodesk Assistant (the bubble in the lower right corner). You can try to describe your situation and try to get an installer for the version that is no longer available.

Re: 2021 update download

CCarreiras — Mon, 30 Dec 2024 10:16:01 GMT

Hi!

Talk with other operator.
As in other areas, there's operators with some more experience that others.

Re: 2021 update download

sellis — Thu, 02 Jan 2025 14:38:55 GMT

Took me a bit to find someone that knew what was up. Eventually I was sent links to 18 individual updates that need to be install in correct order.

Inventor_2021.0.1_Update to Inventor_2021.5.2_Update

Re: 2021 update download

SBix26 — Sat, 04 Jan 2025 23:23:37 GMT

You do not need to install 18 individual updates!! You need to install 2021.5, and 2021.5.2. The major (single dot) updates contained all of the previous major updates, and the minor (double dot) updates contained the previous minor updates. I believe with the last few releases (2024, 2025 maybe 2023?), all updates contain all the previous updates, so only one is needed.

Sam B

Inventor Pro 2025.2 | Windows 11 Home 24H2

Re: Inventor 2021 updates, from build 183 to 421

manny_engineer — Mon, 06 Jan 2025 01:01:50 GMT

Hi, I tired it, support doesn't know what to do. I have decided to not take the job, which is a shame, because i had been un-employed for 6 months.

If anyone in future is reading this, just don't waste your time.

Re: 2021 update download

manny_engineer — Mon, 06 Jan 2025 01:06:45 GMT

Hey, thanks, I just gave up after spending 2 days on support. It's a shame, because I had to let go of this job and I had been un-employed for 6 months. But it is what it is, I'll just avoid jobs that use AutoDesk Inventor in future.

Re: Inventor 2021 updates, from build 183 to 421

James_Willo — Mon, 06 Jan 2025 07:14:39 GMT

Hi Manny, I'm sorry you were not able to get Inventor working for your needs.

As mentioned in the other thread, single dot updates are accumulative so you shouldn't have to install all 18 updates.

Also, all versions within a year are compatible with each other so the crash is probably related to something very specific in the drawing caused by a bug and not just by being saved in a different version of Inventor. So creating a file in 2021.5 can 100% be opened with 2021.0.

We officially support the current version and 3 older versions (this is Autodesk wide not just Inventor,) 2021 has been out of support for a long time now.

I'm sad to hear that this means you no longer want to use Inventor, but this support issue is one you will also find with our competitors who in some cases only support 2 versions back.
I hope you are able to enjoy using our more up-to-date software in the future.

Re: Inventor 2021 updates, from build 183 to 421

P_Korgaonkar — Sun, 21 Sep 2025 00:16:34 GMT

Have you resolved this?

Re: 2021 update download

P_Korgaonkar — Sun, 21 Sep 2025 00:45:27 GMT

How and where did you obtain those updates, as Autodesk has already removed all the old content?

I'm interested in knowing more and getting those, too, if possible.

Thanks

Re: 2021 update download

SharkDesign — Mon, 22 Sep 2025 06:21:21 GMT

Sometimes you can get them through the chat function on manage.autodesk.com but otherwise you are out of luck as James_Willo says above

Re: 2021 update download

sellis — Mon, 22 Sep 2025 11:25:52 GMT

I found someone through the chat function that sent me a link to "Inventor_2021.5.0_Update" , "Inventor_2021.5.1_Update" and "Inventor_2021.5.2_Update".

It took awhile to find someone that understood what was needed.

Re: 2021 update download

SBix26 — Mon, 22 Sep 2025 18:59:04 GMT

You don't need the .5.1 update because it's included in the .5.2 update. Glad you found someone to help!

Sam B

Inventor Pro 2026.1.1 | Windows 11 Home 24H2

Re: 2021 update download

Anown — Wed, 25 Mar 2026 09:42:11 GMT

Hi all,

I have the exact same issue as the OP but wish to update to the most recent 2021 version, unfortunately chatting with the helpdesk is not helping to say the least.

I have explained everything in detail and even referred to this post but he could only help me with sending me the most recent version (2021.5.2) and no earlier version. (installing the most recent version is giving me an install failed error)

He referred me to ask help on the forums...

Is there anyone else that could help me?